Home / 3,902.59-5,388.39-2,412.55

Finding the Fourth Proportional to 3,902.59, 5,388.39 and 2,412.55

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Solution

The fourth proportional to 3,902.59, 5,388.39 and 2,412.55 is: 3,331.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,902.59 : 5,388.39 = 2,412.55 : x
  2. Step 2: Convert to fraction form
    3,902.59/5,388.39 = 2,412.55/x
  3. Step 3: Cross multiply
    3,902.59x = 5,388.39 × 2,412.55
  4. Step 4: Simplify right side
    3,902.59x = 12,999,760.29
  5. Step 5: Solve for x
    x = 12,999,760.29/3,902.59
  6. Step 6: Final answer
    x = 3,331.06

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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.