Home / 3,722.55-5,585.04-1,382.76

Finding the Fourth Proportional to 3,722.55, 5,585.04 and 1,382.76

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Solution

The fourth proportional to 3,722.55, 5,585.04 and 1,382.76 is: 2,074.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.55 : 5,585.04 = 1,382.76 : x
  2. Step 2: Convert to fraction form
    3,722.55/5,585.04 = 1,382.76/x
  3. Step 3: Cross multiply
    3,722.55x = 5,585.04 × 1,382.76
  4. Step 4: Simplify right side
    3,722.55x = 7,722,769.91
  5. Step 5: Solve for x
    x = 7,722,769.91/3,722.55
  6. Step 6: Final answer
    x = 2,074.59

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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.