Home / 1,373.13-2,059.29-449.34

Finding the Fourth Proportional to 1,373.13, 2,059.29 and 449.34

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Solution

The fourth proportional to 1,373.13, 2,059.29 and 449.34 is: 673.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373.13 : 2,059.29 = 449.34 : x
  2. Step 2: Convert to fraction form
    1,373.13/2,059.29 = 449.34/x
  3. Step 3: Cross multiply
    1,373.13x = 2,059.29 × 449.34
  4. Step 4: Simplify right side
    1,373.13x = 925,321.37
  5. Step 5: Solve for x
    x = 925,321.37/1,373.13
  6. Step 6: Final answer
    x = 673.88

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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.