Home / 1,402.29-2,103.62-1,073.85

Finding the Fourth Proportional to 1,402.29, 2,103.62 and 1,073.85

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Solution

The fourth proportional to 1,402.29, 2,103.62 and 1,073.85 is: 1,610.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402.29 : 2,103.62 = 1,073.85 : x
  2. Step 2: Convert to fraction form
    1,402.29/2,103.62 = 1,073.85/x
  3. Step 3: Cross multiply
    1,402.29x = 2,103.62 × 1,073.85
  4. Step 4: Simplify right side
    1,402.29x = 2,258,963.02
  5. Step 5: Solve for x
    x = 2,258,963.02/1,402.29
  6. Step 6: Final answer
    x = 1,610.91

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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.