Home / 1,958.29-2,702.36-1,118.97

Finding the Fourth Proportional to 1,958.29, 2,702.36 and 1,118.97

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Solution

The fourth proportional to 1,958.29, 2,702.36 and 1,118.97 is: 1,544.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.29 : 2,702.36 = 1,118.97 : x
  2. Step 2: Convert to fraction form
    1,958.29/2,702.36 = 1,118.97/x
  3. Step 3: Cross multiply
    1,958.29x = 2,702.36 × 1,118.97
  4. Step 4: Simplify right side
    1,958.29x = 3,023,862.57
  5. Step 5: Solve for x
    x = 3,023,862.57/1,958.29
  6. Step 6: Final answer
    x = 1,544.14

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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.