Home / 2,792.13-4,184.32-1,229.79

Finding the Fourth Proportional to 2,792.13, 4,184.32 and 1,229.79

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Solution

The fourth proportional to 2,792.13, 4,184.32 and 1,229.79 is: 1,842.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,792.13 : 4,184.32 = 1,229.79 : x
  2. Step 2: Convert to fraction form
    2,792.13/4,184.32 = 1,229.79/x
  3. Step 3: Cross multiply
    2,792.13x = 4,184.32 × 1,229.79
  4. Step 4: Simplify right side
    2,792.13x = 5,145,826.28
  5. Step 5: Solve for x
    x = 5,145,826.28/2,792.13
  6. Step 6: Final answer
    x = 1,842.98

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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.