Home / 1,836.30-2,754.45-1,350.30

Finding the Fourth Proportional to 1,836.30, 2,754.45 and 1,350.30

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Solution

The fourth proportional to 1,836.30, 2,754.45 and 1,350.30 is: 2,025.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.30 : 2,754.45 = 1,350.30 : x
  2. Step 2: Convert to fraction form
    1,836.30/2,754.45 = 1,350.30/x
  3. Step 3: Cross multiply
    1,836.30x = 2,754.45 × 1,350.30
  4. Step 4: Simplify right side
    1,836.30x = 3,719,333.84
  5. Step 5: Solve for x
    x = 3,719,333.84/1,836.30
  6. Step 6: Final answer
    x = 2,025.45

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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.