Home / 3,624.86-5,433.24-1,432.20

Finding the Fourth Proportional to 3,624.86, 5,433.24 and 1,432.20

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Solution

The fourth proportional to 3,624.86, 5,433.24 and 1,432.20 is: 2,146.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,624.86 : 5,433.24 = 1,432.20 : x
  2. Step 2: Convert to fraction form
    3,624.86/5,433.24 = 1,432.20/x
  3. Step 3: Cross multiply
    3,624.86x = 5,433.24 × 1,432.20
  4. Step 4: Simplify right side
    3,624.86x = 7,781,486.33
  5. Step 5: Solve for x
    x = 7,781,486.33/3,624.86
  6. Step 6: Final answer
    x = 2,146.70

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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.