Home / 3,257.07-4,494.55-1,998.12

Finding the Fourth Proportional to 3,257.07, 4,494.55 and 1,998.12

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Solution

The fourth proportional to 3,257.07, 4,494.55 and 1,998.12 is: 2,757.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,257.07 : 4,494.55 = 1,998.12 : x
  2. Step 2: Convert to fraction form
    3,257.07/4,494.55 = 1,998.12/x
  3. Step 3: Cross multiply
    3,257.07x = 4,494.55 × 1,998.12
  4. Step 4: Simplify right side
    3,257.07x = 8,980,650.25
  5. Step 5: Solve for x
    x = 8,980,650.25/3,257.07
  6. Step 6: Final answer
    x = 2,757.28

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,258.07, 4,495.93 and 1,999.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.