Home / 3,549.20-5,327.40-3,140.96

Finding the Fourth Proportional to 3,549.20, 5,327.40 and 3,140.96

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Solution

The fourth proportional to 3,549.20, 5,327.40 and 3,140.96 is: 4,714.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.20 : 5,327.40 = 3,140.96 : x
  2. Step 2: Convert to fraction form
    3,549.20/5,327.40 = 3,140.96/x
  3. Step 3: Cross multiply
    3,549.20x = 5,327.40 × 3,140.96
  4. Step 4: Simplify right side
    3,549.20x = 16,733,150.30
  5. Step 5: Solve for x
    x = 16,733,150.30/3,549.20
  6. Step 6: Final answer
    x = 4,714.63

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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.