Home / 2,382.35-3,569.87-1,082.30

Finding the Fourth Proportional to 2,382.35, 3,569.87 and 1,082.30

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Solution

The fourth proportional to 2,382.35, 3,569.87 and 1,082.30 is: 1,621.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.35 : 3,569.87 = 1,082.30 : x
  2. Step 2: Convert to fraction form
    2,382.35/3,569.87 = 1,082.30/x
  3. Step 3: Cross multiply
    2,382.35x = 3,569.87 × 1,082.30
  4. Step 4: Simplify right side
    2,382.35x = 3,863,655.16
  5. Step 5: Solve for x
    x = 3,863,655.16/2,382.35
  6. Step 6: Final answer
    x = 1,621.79

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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.