Home / 3,424.38-4,727.96-2,247.46

Finding the Fourth Proportional to 3,424.38, 4,727.96 and 2,247.46

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Solution

The fourth proportional to 3,424.38, 4,727.96 and 2,247.46 is: 3,103.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,424.38 : 4,727.96 = 2,247.46 : x
  2. Step 2: Convert to fraction form
    3,424.38/4,727.96 = 2,247.46/x
  3. Step 3: Cross multiply
    3,424.38x = 4,727.96 × 2,247.46
  4. Step 4: Simplify right side
    3,424.38x = 10,625,900.98
  5. Step 5: Solve for x
    x = 10,625,900.98/3,424.38
  6. Step 6: Final answer
    x = 3,103.01

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Half scale
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Double scale
Find fourth proportional to 3,425.38, 4,729.34 and 2,248.46
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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.