Home / 3,545.29-5,318.88-3,157.94

Finding the Fourth Proportional to 3,545.29, 5,318.88 and 3,157.94

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Solution

The fourth proportional to 3,545.29, 5,318.88 and 3,157.94 is: 4,737.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.29 : 5,318.88 = 3,157.94 : x
  2. Step 2: Convert to fraction form
    3,545.29/5,318.88 = 3,157.94/x
  3. Step 3: Cross multiply
    3,545.29x = 5,318.88 × 3,157.94
  4. Step 4: Simplify right side
    3,545.29x = 16,796,703.91
  5. Step 5: Solve for x
    x = 16,796,703.91/3,545.29
  6. Step 6: Final answer
    x = 4,737.75

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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.