Home / 1,645.92-2,468.88-1,136.16

Finding the Fourth Proportional to 1,645.92, 2,468.88 and 1,136.16

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Solution

The fourth proportional to 1,645.92, 2,468.88 and 1,136.16 is: 1,704.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645.92 : 2,468.88 = 1,136.16 : x
  2. Step 2: Convert to fraction form
    1,645.92/2,468.88 = 1,136.16/x
  3. Step 3: Cross multiply
    1,645.92x = 2,468.88 × 1,136.16
  4. Step 4: Simplify right side
    1,645.92x = 2,805,042.70
  5. Step 5: Solve for x
    x = 2,805,042.70/1,645.92
  6. Step 6: Final answer
    x = 1,704.24

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Similar ratio
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1.5x scale

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.