Home / 3,625.60-5,440.32-1,545.92

Finding the Fourth Proportional to 3,625.60, 5,440.32 and 1,545.92

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Solution

The fourth proportional to 3,625.60, 5,440.32 and 1,545.92 is: 2,319.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.60 : 5,440.32 = 1,545.92 : x
  2. Step 2: Convert to fraction form
    3,625.60/5,440.32 = 1,545.92/x
  3. Step 3: Cross multiply
    3,625.60x = 5,440.32 × 1,545.92
  4. Step 4: Simplify right side
    3,625.60x = 8,410,299.49
  5. Step 5: Solve for x
    x = 8,410,299.49/3,625.60
  6. Step 6: Final answer
    x = 2,319.70

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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.