Home / 2,247.86-3,102.19-1,253.14

Finding the Fourth Proportional to 2,247.86, 3,102.19 and 1,253.14

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Solution

The fourth proportional to 2,247.86, 3,102.19 and 1,253.14 is: 1,729.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,247.86 : 3,102.19 = 1,253.14 : x
  2. Step 2: Convert to fraction form
    2,247.86/3,102.19 = 1,253.14/x
  3. Step 3: Cross multiply
    2,247.86x = 3,102.19 × 1,253.14
  4. Step 4: Simplify right side
    2,247.86x = 3,887,467.49
  5. Step 5: Solve for x
    x = 3,887,467.49/2,247.86
  6. Step 6: Final answer
    x = 1,729.41

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Half scale
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Double scale
Find fourth proportional to 2,248.86, 3,103.57 and 1,254.14
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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.