Home / 3,769.50-5,653.17-1,578.18

Finding the Fourth Proportional to 3,769.50, 5,653.17 and 1,578.18

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Solution

The fourth proportional to 3,769.50, 5,653.17 and 1,578.18 is: 2,366.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.50 : 5,653.17 = 1,578.18 : x
  2. Step 2: Convert to fraction form
    3,769.50/5,653.17 = 1,578.18/x
  3. Step 3: Cross multiply
    3,769.50x = 5,653.17 × 1,578.18
  4. Step 4: Simplify right side
    3,769.50x = 8,921,719.83
  5. Step 5: Solve for x
    x = 8,921,719.83/3,769.50
  6. Step 6: Final answer
    x = 2,366.82

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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.