Home / 3,630.60-5,446.20-1,165.46

Finding the Fourth Proportional to 3,630.60, 5,446.20 and 1,165.46

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Solution

The fourth proportional to 3,630.60, 5,446.20 and 1,165.46 is: 1,748.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.60 : 5,446.20 = 1,165.46 : x
  2. Step 2: Convert to fraction form
    3,630.60/5,446.20 = 1,165.46/x
  3. Step 3: Cross multiply
    3,630.60x = 5,446.20 × 1,165.46
  4. Step 4: Simplify right side
    3,630.60x = 6,347,328.25
  5. Step 5: Solve for x
    x = 6,347,328.25/3,630.60
  6. Step 6: Final answer
    x = 1,748.29

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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.