Home / 2,249.80-3,098.34-1,932.76

Finding the Fourth Proportional to 2,249.80, 3,098.34 and 1,932.76

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Solution

The fourth proportional to 2,249.80, 3,098.34 and 1,932.76 is: 2,661.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,249.80 : 3,098.34 = 1,932.76 : x
  2. Step 2: Convert to fraction form
    2,249.80/3,098.34 = 1,932.76/x
  3. Step 3: Cross multiply
    2,249.80x = 3,098.34 × 1,932.76
  4. Step 4: Simplify right side
    2,249.80x = 5,988,347.62
  5. Step 5: Solve for x
    x = 5,988,347.62/2,249.80
  6. Step 6: Final answer
    x = 2,661.72

Related Problems

Find fourth proportional to 1,124.90, 1,549.17 and 966.38
Half scale
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Double scale
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Similar ratio
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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.