Home / 3,108.55-4,663.01-1,259.62

Finding the Fourth Proportional to 3,108.55, 4,663.01 and 1,259.62

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Solution

The fourth proportional to 3,108.55, 4,663.01 and 1,259.62 is: 1,889.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.55 : 4,663.01 = 1,259.62 : x
  2. Step 2: Convert to fraction form
    3,108.55/4,663.01 = 1,259.62/x
  3. Step 3: Cross multiply
    3,108.55x = 4,663.01 × 1,259.62
  4. Step 4: Simplify right side
    3,108.55x = 5,873,620.66
  5. Step 5: Solve for x
    x = 5,873,620.66/3,108.55
  6. Step 6: Final answer
    x = 1,889.50

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Half scale
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Double scale
Find fourth proportional to 3,109.55, 4,664.51 and 1,260.62
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.