Home / 2,253.71-3,378.28-1,082.00

Finding the Fourth Proportional to 2,253.71, 3,378.28 and 1,082.00

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Solution

The fourth proportional to 2,253.71, 3,378.28 and 1,082.00 is: 1,621.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253.71 : 3,378.28 = 1,082.00 : x
  2. Step 2: Convert to fraction form
    2,253.71/3,378.28 = 1,082.00/x
  3. Step 3: Cross multiply
    2,253.71x = 3,378.28 × 1,082.00
  4. Step 4: Simplify right side
    2,253.71x = 3,655,298.12
  5. Step 5: Solve for x
    x = 3,655,298.12/2,253.71
  6. Step 6: Final answer
    x = 1,621.90

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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.