Home / 3,102.60-4,654.50-1,154.73

Finding the Fourth Proportional to 3,102.60, 4,654.50 and 1,154.73

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Solution

The fourth proportional to 3,102.60, 4,654.50 and 1,154.73 is: 1,732.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.60 : 4,654.50 = 1,154.73 : x
  2. Step 2: Convert to fraction form
    3,102.60/4,654.50 = 1,154.73/x
  3. Step 3: Cross multiply
    3,102.60x = 4,654.50 × 1,154.73
  4. Step 4: Simplify right side
    3,102.60x = 5,374,690.79
  5. Step 5: Solve for x
    x = 5,374,690.79/3,102.60
  6. Step 6: Final answer
    x = 1,732.32

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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.