Home / 1,144.49-1,717.27-1,126.06

Finding the Fourth Proportional to 1,144.49, 1,717.27 and 1,126.06

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Solution

The fourth proportional to 1,144.49, 1,717.27 and 1,126.06 is: 1,689.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144.49 : 1,717.27 = 1,126.06 : x
  2. Step 2: Convert to fraction form
    1,144.49/1,717.27 = 1,126.06/x
  3. Step 3: Cross multiply
    1,144.49x = 1,717.27 × 1,126.06
  4. Step 4: Simplify right side
    1,144.49x = 1,933,741.95
  5. Step 5: Solve for x
    x = 1,933,741.95/1,144.49
  6. Step 6: Final answer
    x = 1,689.62

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Half scale
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Double scale
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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.