Home / 3,827.20-5,737.28-1,517.12

Finding the Fourth Proportional to 3,827.20, 5,737.28 and 1,517.12

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Solution

The fourth proportional to 3,827.20, 5,737.28 and 1,517.12 is: 2,274.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,827.20 : 5,737.28 = 1,517.12 : x
  2. Step 2: Convert to fraction form
    3,827.20/5,737.28 = 1,517.12/x
  3. Step 3: Cross multiply
    3,827.20x = 5,737.28 × 1,517.12
  4. Step 4: Simplify right side
    3,827.20x = 8,704,142.23
  5. Step 5: Solve for x
    x = 8,704,142.23/3,827.20
  6. Step 6: Final answer
    x = 2,274.28

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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.