Home / 1,042.27-1,562.29-348.30

Finding the Fourth Proportional to 1,042.27, 1,562.29 and 348.30

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Solution

The fourth proportional to 1,042.27, 1,562.29 and 348.30 is: 522.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042.27 : 1,562.29 = 348.30 : x
  2. Step 2: Convert to fraction form
    1,042.27/1,562.29 = 348.30/x
  3. Step 3: Cross multiply
    1,042.27x = 1,562.29 × 348.30
  4. Step 4: Simplify right side
    1,042.27x = 544,144.74
  5. Step 5: Solve for x
    x = 544,144.74/1,042.27
  6. Step 6: Final answer
    x = 522.08

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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.