Home / 1,013.25-1,519.01-355.04

Finding the Fourth Proportional to 1,013.25, 1,519.01 and 355.04

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Solution

The fourth proportional to 1,013.25, 1,519.01 and 355.04 is: 532.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013.25 : 1,519.01 = 355.04 : x
  2. Step 2: Convert to fraction form
    1,013.25/1,519.01 = 355.04/x
  3. Step 3: Cross multiply
    1,013.25x = 1,519.01 × 355.04
  4. Step 4: Simplify right side
    1,013.25x = 539,299.94
  5. Step 5: Solve for x
    x = 539,299.94/1,013.25
  6. Step 6: Final answer
    x = 532.25

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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.