Home / 1,836.12-2,753.40-1,141.74

Finding the Fourth Proportional to 1,836.12, 2,753.40 and 1,141.74

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Solution

The fourth proportional to 1,836.12, 2,753.40 and 1,141.74 is: 1,712.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.12 : 2,753.40 = 1,141.74 : x
  2. Step 2: Convert to fraction form
    1,836.12/2,753.40 = 1,141.74/x
  3. Step 3: Cross multiply
    1,836.12x = 2,753.40 × 1,141.74
  4. Step 4: Simplify right side
    1,836.12x = 3,143,666.92
  5. Step 5: Solve for x
    x = 3,143,666.92/1,836.12
  6. Step 6: Final answer
    x = 1,712.12

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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.