Home / 3,617.28-5,425.92-1,426.23

Finding the Fourth Proportional to 3,617.28, 5,425.92 and 1,426.23

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Solution

The fourth proportional to 3,617.28, 5,425.92 and 1,426.23 is: 2,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.28 : 5,425.92 = 1,426.23 : x
  2. Step 2: Convert to fraction form
    3,617.28/5,425.92 = 1,426.23/x
  3. Step 3: Cross multiply
    3,617.28x = 5,425.92 × 1,426.23
  4. Step 4: Simplify right side
    3,617.28x = 7,738,609.88
  5. Step 5: Solve for x
    x = 7,738,609.88/3,617.28
  6. Step 6: Final answer
    x = 2,139.35

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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.