Home / 2,084.18-2,876.16-1,139.97

Finding the Fourth Proportional to 2,084.18, 2,876.16 and 1,139.97

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Solution

The fourth proportional to 2,084.18, 2,876.16 and 1,139.97 is: 1,573.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.18 : 2,876.16 = 1,139.97 : x
  2. Step 2: Convert to fraction form
    2,084.18/2,876.16 = 1,139.97/x
  3. Step 3: Cross multiply
    2,084.18x = 2,876.16 × 1,139.97
  4. Step 4: Simplify right side
    2,084.18x = 3,278,736.12
  5. Step 5: Solve for x
    x = 3,278,736.12/2,084.18
  6. Step 6: Final answer
    x = 1,573.16

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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.