Home / 2,769.24-4,155.48-1,125.66

Finding the Fourth Proportional to 2,769.24, 4,155.48 and 1,125.66

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Solution

The fourth proportional to 2,769.24, 4,155.48 and 1,125.66 is: 1,689.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.24 : 4,155.48 = 1,125.66 : x
  2. Step 2: Convert to fraction form
    2,769.24/4,155.48 = 1,125.66/x
  3. Step 3: Cross multiply
    2,769.24x = 4,155.48 × 1,125.66
  4. Step 4: Simplify right side
    2,769.24x = 4,677,657.62
  5. Step 5: Solve for x
    x = 4,677,657.62/2,769.24
  6. Step 6: Final answer
    x = 1,689.15

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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.