Home / 3,387.28-5,080.76-1,654.16

Finding the Fourth Proportional to 3,387.28, 5,080.76 and 1,654.16

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Solution

The fourth proportional to 3,387.28, 5,080.76 and 1,654.16 is: 2,481.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.28 : 5,080.76 = 1,654.16 : x
  2. Step 2: Convert to fraction form
    3,387.28/5,080.76 = 1,654.16/x
  3. Step 3: Cross multiply
    3,387.28x = 5,080.76 × 1,654.16
  4. Step 4: Simplify right side
    3,387.28x = 8,404,389.96
  5. Step 5: Solve for x
    x = 8,404,389.96/3,387.28
  6. Step 6: Final answer
    x = 2,481.16

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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.