Home / 3,158.97-4,737.08-1,677.86

Finding the Fourth Proportional to 3,158.97, 4,737.08 and 1,677.86

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Solution

The fourth proportional to 3,158.97, 4,737.08 and 1,677.86 is: 2,516.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.97 : 4,737.08 = 1,677.86 : x
  2. Step 2: Convert to fraction form
    3,158.97/4,737.08 = 1,677.86/x
  3. Step 3: Cross multiply
    3,158.97x = 4,737.08 × 1,677.86
  4. Step 4: Simplify right side
    3,158.97x = 7,948,172.53
  5. Step 5: Solve for x
    x = 7,948,172.53/3,158.97
  6. Step 6: Final answer
    x = 2,516.07

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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.