Home / 2,862.76-4,294.68-1,131.16

Finding the Fourth Proportional to 2,862.76, 4,294.68 and 1,131.16

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Solution

The fourth proportional to 2,862.76, 4,294.68 and 1,131.16 is: 1,696.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.76 : 4,294.68 = 1,131.16 : x
  2. Step 2: Convert to fraction form
    2,862.76/4,294.68 = 1,131.16/x
  3. Step 3: Cross multiply
    2,862.76x = 4,294.68 × 1,131.16
  4. Step 4: Simplify right side
    2,862.76x = 4,857,970.23
  5. Step 5: Solve for x
    x = 4,857,970.23/2,862.76
  6. Step 6: Final answer
    x = 1,696.95

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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.