Home / 3,630.85-5,447.18-1,165.92

Finding the Fourth Proportional to 3,630.85, 5,447.18 and 1,165.92

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Solution

The fourth proportional to 3,630.85, 5,447.18 and 1,165.92 is: 1,749.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.85 : 5,447.18 = 1,165.92 : x
  2. Step 2: Convert to fraction form
    3,630.85/5,447.18 = 1,165.92/x
  3. Step 3: Cross multiply
    3,630.85x = 5,447.18 × 1,165.92
  4. Step 4: Simplify right side
    3,630.85x = 6,350,976.11
  5. Step 5: Solve for x
    x = 6,350,976.11/3,630.85
  6. Step 6: Final answer
    x = 1,749.17

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1.5x scale

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.