Home / 3,545.56-5,318.91-1,205.71

Finding the Fourth Proportional to 3,545.56, 5,318.91 and 1,205.71

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Solution

The fourth proportional to 3,545.56, 5,318.91 and 1,205.71 is: 1,808.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,545.56 : 5,318.91 = 1,205.71 : x
  2. Step 2: Convert to fraction form
    3,545.56/5,318.91 = 1,205.71/x
  3. Step 3: Cross multiply
    3,545.56x = 5,318.91 × 1,205.71
  4. Step 4: Simplify right side
    3,545.56x = 6,413,062.98
  5. Step 5: Solve for x
    x = 6,413,062.98/3,545.56
  6. Step 6: Final answer
    x = 1,808.76

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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.