Home / 1,836.80-2,754.24-1,141.76

Finding the Fourth Proportional to 1,836.80, 2,754.24 and 1,141.76

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Solution

The fourth proportional to 1,836.80, 2,754.24 and 1,141.76 is: 1,712.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.80 : 2,754.24 = 1,141.76 : x
  2. Step 2: Convert to fraction form
    1,836.80/2,754.24 = 1,141.76/x
  3. Step 3: Cross multiply
    1,836.80x = 2,754.24 × 1,141.76
  4. Step 4: Simplify right side
    1,836.80x = 3,144,681.06
  5. Step 5: Solve for x
    x = 3,144,681.06/1,836.80
  6. Step 6: Final answer
    x = 1,712.04

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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.