Home / 1,348.56-2,022.92-424.15

Finding the Fourth Proportional to 1,348.56, 2,022.92 and 424.15

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Solution

The fourth proportional to 1,348.56, 2,022.92 and 424.15 is: 636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.56 : 2,022.92 = 424.15 : x
  2. Step 2: Convert to fraction form
    1,348.56/2,022.92 = 424.15/x
  3. Step 3: Cross multiply
    1,348.56x = 2,022.92 × 424.15
  4. Step 4: Simplify right side
    1,348.56x = 858,021.16
  5. Step 5: Solve for x
    x = 858,021.16/1,348.56
  6. Step 6: Final answer
    x = 636.25

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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.