Home / 3,625.76-5,439.35-1,545.74

Finding the Fourth Proportional to 3,625.76, 5,439.35 and 1,545.74

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Solution

The fourth proportional to 3,625.76, 5,439.35 and 1,545.74 is: 2,318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.76 : 5,439.35 = 1,545.74 : x
  2. Step 2: Convert to fraction form
    3,625.76/5,439.35 = 1,545.74/x
  3. Step 3: Cross multiply
    3,625.76x = 5,439.35 × 1,545.74
  4. Step 4: Simplify right side
    3,625.76x = 8,407,813.14
  5. Step 5: Solve for x
    x = 8,407,813.14/3,625.76
  6. Step 6: Final answer
    x = 2,318.91

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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.