Home / 4,031.28-5,563.14-2,540.16

Finding the Fourth Proportional to 4,031.28, 5,563.14 and 2,540.16

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Solution

The fourth proportional to 4,031.28, 5,563.14 and 2,540.16 is: 3,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,031.28 : 5,563.14 = 2,540.16 : x
  2. Step 2: Convert to fraction form
    4,031.28/5,563.14 = 2,540.16/x
  3. Step 3: Cross multiply
    4,031.28x = 5,563.14 × 2,540.16
  4. Step 4: Simplify right side
    4,031.28x = 14,131,265.70
  5. Step 5: Solve for x
    x = 14,131,265.70/4,031.28
  6. Step 6: Final answer
    x = 3,505.40

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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.