Home / 4,080.79-5,631.19-2,508.90

Finding the Fourth Proportional to 4,080.79, 5,631.19 and 2,508.90

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Solution

The fourth proportional to 4,080.79, 5,631.19 and 2,508.90 is: 3,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,080.79 : 5,631.19 = 2,508.90 : x
  2. Step 2: Convert to fraction form
    4,080.79/5,631.19 = 2,508.90/x
  3. Step 3: Cross multiply
    4,080.79x = 5,631.19 × 2,508.90
  4. Step 4: Simplify right side
    4,080.79x = 14,128,092.59
  5. Step 5: Solve for x
    x = 14,128,092.59/4,080.79
  6. Step 6: Final answer
    x = 3,462.10

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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.