Home / 2,882.46-4,324.11-1,421.70

Finding the Fourth Proportional to 2,882.46, 4,324.11 and 1,421.70

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Solution

The fourth proportional to 2,882.46, 4,324.11 and 1,421.70 is: 2,132.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.46 : 4,324.11 = 1,421.70 : x
  2. Step 2: Convert to fraction form
    2,882.46/4,324.11 = 1,421.70/x
  3. Step 3: Cross multiply
    2,882.46x = 4,324.11 × 1,421.70
  4. Step 4: Simplify right side
    2,882.46x = 6,147,587.19
  5. Step 5: Solve for x
    x = 6,147,587.19/2,882.46
  6. Step 6: Final answer
    x = 2,132.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.