Home / 2,282.45-3,420.20-1,402.66

Finding the Fourth Proportional to 2,282.45, 3,420.20 and 1,402.66

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Solution

The fourth proportional to 2,282.45, 3,420.20 and 1,402.66 is: 2,101.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.45 : 3,420.20 = 1,402.66 : x
  2. Step 2: Convert to fraction form
    2,282.45/3,420.20 = 1,402.66/x
  3. Step 3: Cross multiply
    2,282.45x = 3,420.20 × 1,402.66
  4. Step 4: Simplify right side
    2,282.45x = 4,797,372.69
  5. Step 5: Solve for x
    x = 4,797,372.69/2,282.45
  6. Step 6: Final answer
    x = 2,101.85

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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.