Home / 3,897.60-5,847.19-1,432.44

Finding the Fourth Proportional to 3,897.60, 5,847.19 and 1,432.44

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Solution

The fourth proportional to 3,897.60, 5,847.19 and 1,432.44 is: 2,148.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,897.60 : 5,847.19 = 1,432.44 : x
  2. Step 2: Convert to fraction form
    3,897.60/5,847.19 = 1,432.44/x
  3. Step 3: Cross multiply
    3,897.60x = 5,847.19 × 1,432.44
  4. Step 4: Simplify right side
    3,897.60x = 8,375,748.84
  5. Step 5: Solve for x
    x = 8,375,748.84/3,897.60
  6. Step 6: Final answer
    x = 2,148.95

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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.