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Finding the Fourth Proportional to 3,200.09, 4,800.15 and 1,008.99

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Solution

The fourth proportional to 3,200.09, 4,800.15 and 1,008.99 is: 1,513.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.09 : 4,800.15 = 1,008.99 : x
  2. Step 2: Convert to fraction form
    3,200.09/4,800.15 = 1,008.99/x
  3. Step 3: Cross multiply
    3,200.09x = 4,800.15 × 1,008.99
  4. Step 4: Simplify right side
    3,200.09x = 4,843,303.35
  5. Step 5: Solve for x
    x = 4,843,303.35/3,200.09
  6. Step 6: Final answer
    x = 1,513.49

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,201.09, 4,801.65 and 1,009.99
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.