Home / 3,630.83-5,446.44-2,909.12

Finding the Fourth Proportional to 3,630.83, 5,446.44 and 2,909.12

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Solution

The fourth proportional to 3,630.83, 5,446.44 and 2,909.12 is: 4,363.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630.83 : 5,446.44 = 2,909.12 : x
  2. Step 2: Convert to fraction form
    3,630.83/5,446.44 = 2,909.12/x
  3. Step 3: Cross multiply
    3,630.83x = 5,446.44 × 2,909.12
  4. Step 4: Simplify right side
    3,630.83x = 15,844,320.30
  5. Step 5: Solve for x
    x = 15,844,320.30/3,630.83
  6. Step 6: Final answer
    x = 4,363.83

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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.