Home / 1,868.92-2,799.13-1,136.88

Finding the Fourth Proportional to 1,868.92, 2,799.13 and 1,136.88

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Solution

The fourth proportional to 1,868.92, 2,799.13 and 1,136.88 is: 1,702.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,868.92 : 2,799.13 = 1,136.88 : x
  2. Step 2: Convert to fraction form
    1,868.92/2,799.13 = 1,136.88/x
  3. Step 3: Cross multiply
    1,868.92x = 2,799.13 × 1,136.88
  4. Step 4: Simplify right side
    1,868.92x = 3,182,279.07
  5. Step 5: Solve for x
    x = 3,182,279.07/1,868.92
  6. Step 6: Final answer
    x = 1,702.74

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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.