Home / 1,534.91-2,118.96-1,136.25

Finding the Fourth Proportional to 1,534.91, 2,118.96 and 1,136.25

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Solution

The fourth proportional to 1,534.91, 2,118.96 and 1,136.25 is: 1,568.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.91 : 2,118.96 = 1,136.25 : x
  2. Step 2: Convert to fraction form
    1,534.91/2,118.96 = 1,136.25/x
  3. Step 3: Cross multiply
    1,534.91x = 2,118.96 × 1,136.25
  4. Step 4: Simplify right side
    1,534.91x = 2,407,668.30
  5. Step 5: Solve for x
    x = 2,407,668.30/1,534.91
  6. Step 6: Final answer
    x = 1,568.61

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Double scale
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1.5x scale

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.