Home / 1,327.52-1,832.46-949.88

Finding the Fourth Proportional to 1,327.52, 1,832.46 and 949.88

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Solution

The fourth proportional to 1,327.52, 1,832.46 and 949.88 is: 1,311.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327.52 : 1,832.46 = 949.88 : x
  2. Step 2: Convert to fraction form
    1,327.52/1,832.46 = 949.88/x
  3. Step 3: Cross multiply
    1,327.52x = 1,832.46 × 949.88
  4. Step 4: Simplify right side
    1,327.52x = 1,740,617.10
  5. Step 5: Solve for x
    x = 1,740,617.10/1,327.52
  6. Step 6: Final answer
    x = 1,311.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.