Home / 2,278.92-3,421.62-2,174.52

Finding the Fourth Proportional to 2,278.92, 3,421.62 and 2,174.52

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Solution

The fourth proportional to 2,278.92, 3,421.62 and 2,174.52 is: 3,264.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.92 : 3,421.62 = 2,174.52 : x
  2. Step 2: Convert to fraction form
    2,278.92/3,421.62 = 2,174.52/x
  3. Step 3: Cross multiply
    2,278.92x = 3,421.62 × 2,174.52
  4. Step 4: Simplify right side
    2,278.92x = 7,440,381.12
  5. Step 5: Solve for x
    x = 7,440,381.12/2,278.92
  6. Step 6: Final answer
    x = 3,264.87

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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.