Home / 1,348.20-1,862.01-1,329.96

Finding the Fourth Proportional to 1,348.20, 1,862.01 and 1,329.96

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Solution

The fourth proportional to 1,348.20, 1,862.01 and 1,329.96 is: 1,836.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.20 : 1,862.01 = 1,329.96 : x
  2. Step 2: Convert to fraction form
    1,348.20/1,862.01 = 1,329.96/x
  3. Step 3: Cross multiply
    1,348.20x = 1,862.01 × 1,329.96
  4. Step 4: Simplify right side
    1,348.20x = 2,476,398.82
  5. Step 5: Solve for x
    x = 2,476,398.82/1,348.20
  6. Step 6: Final answer
    x = 1,836.82

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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.