Home / 3,209.74-4,428.20-1,882.96

Finding the Fourth Proportional to 3,209.74, 4,428.20 and 1,882.96

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Solution

The fourth proportional to 3,209.74, 4,428.20 and 1,882.96 is: 2,597.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.74 : 4,428.20 = 1,882.96 : x
  2. Step 2: Convert to fraction form
    3,209.74/4,428.20 = 1,882.96/x
  3. Step 3: Cross multiply
    3,209.74x = 4,428.20 × 1,882.96
  4. Step 4: Simplify right side
    3,209.74x = 8,338,123.47
  5. Step 5: Solve for x
    x = 8,338,123.47/3,209.74
  6. Step 6: Final answer
    x = 2,597.76

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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.