Home / 3,229.40-4,453.98-2,050.76

Finding the Fourth Proportional to 3,229.40, 4,453.98 and 2,050.76

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Solution

The fourth proportional to 3,229.40, 4,453.98 and 2,050.76 is: 2,828.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,229.40 : 4,453.98 = 2,050.76 : x
  2. Step 2: Convert to fraction form
    3,229.40/4,453.98 = 2,050.76/x
  3. Step 3: Cross multiply
    3,229.40x = 4,453.98 × 2,050.76
  4. Step 4: Simplify right side
    3,229.40x = 9,134,044.02
  5. Step 5: Solve for x
    x = 9,134,044.02/3,229.40
  6. Step 6: Final answer
    x = 2,828.40

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.