Home / 3,158.57-4,737.85-1,403.16

Finding the Fourth Proportional to 3,158.57, 4,737.85 and 1,403.16

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Solution

The fourth proportional to 3,158.57, 4,737.85 and 1,403.16 is: 2,104.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.57 : 4,737.85 = 1,403.16 : x
  2. Step 2: Convert to fraction form
    3,158.57/4,737.85 = 1,403.16/x
  3. Step 3: Cross multiply
    3,158.57x = 4,737.85 × 1,403.16
  4. Step 4: Simplify right side
    3,158.57x = 6,647,961.61
  5. Step 5: Solve for x
    x = 6,647,961.61/3,158.57
  6. Step 6: Final answer
    x = 2,104.74

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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.