Home / 1,633.30-2,253.11-1,043.22

Finding the Fourth Proportional to 1,633.30, 2,253.11 and 1,043.22

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Solution

The fourth proportional to 1,633.30, 2,253.11 and 1,043.22 is: 1,439.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,633.30 : 2,253.11 = 1,043.22 : x
  2. Step 2: Convert to fraction form
    1,633.30/2,253.11 = 1,043.22/x
  3. Step 3: Cross multiply
    1,633.30x = 2,253.11 × 1,043.22
  4. Step 4: Simplify right side
    1,633.30x = 2,350,489.41
  5. Step 5: Solve for x
    x = 2,350,489.41/1,633.30
  6. Step 6: Final answer
    x = 1,439.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.