Home / 1,363.03-2,043.12-1,242.75

Finding the Fourth Proportional to 1,363.03, 2,043.12 and 1,242.75

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Solution

The fourth proportional to 1,363.03, 2,043.12 and 1,242.75 is: 1,862.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363.03 : 2,043.12 = 1,242.75 : x
  2. Step 2: Convert to fraction form
    1,363.03/2,043.12 = 1,242.75/x
  3. Step 3: Cross multiply
    1,363.03x = 2,043.12 × 1,242.75
  4. Step 4: Simplify right side
    1,363.03x = 2,539,087.38
  5. Step 5: Solve for x
    x = 2,539,087.38/1,363.03
  6. Step 6: Final answer
    x = 1,862.83

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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.