Home / 1,136.26-1,702.57-1,026.91

Finding the Fourth Proportional to 1,136.26, 1,702.57 and 1,026.91

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Solution

The fourth proportional to 1,136.26, 1,702.57 and 1,026.91 is: 1,538.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136.26 : 1,702.57 = 1,026.91 : x
  2. Step 2: Convert to fraction form
    1,136.26/1,702.57 = 1,026.91/x
  3. Step 3: Cross multiply
    1,136.26x = 1,702.57 × 1,026.91
  4. Step 4: Simplify right side
    1,136.26x = 1,748,387.65
  5. Step 5: Solve for x
    x = 1,748,387.65/1,136.26
  6. Step 6: Final answer
    x = 1,538.72

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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.