Home / 2,229.12-3,337.20-1,859.76

Finding the Fourth Proportional to 2,229.12, 3,337.20 and 1,859.76

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Solution

The fourth proportional to 2,229.12, 3,337.20 and 1,859.76 is: 2,784.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.12 : 3,337.20 = 1,859.76 : x
  2. Step 2: Convert to fraction form
    2,229.12/3,337.20 = 1,859.76/x
  3. Step 3: Cross multiply
    2,229.12x = 3,337.20 × 1,859.76
  4. Step 4: Simplify right side
    2,229.12x = 6,206,391.07
  5. Step 5: Solve for x
    x = 6,206,391.07/2,229.12
  6. Step 6: Final answer
    x = 2,784.23

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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.