Home / 1,838.61-2,757.19-1,449.36

Finding the Fourth Proportional to 1,838.61, 2,757.19 and 1,449.36

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Solution

The fourth proportional to 1,838.61, 2,757.19 and 1,449.36 is: 2,173.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,838.61 : 2,757.19 = 1,449.36 : x
  2. Step 2: Convert to fraction form
    1,838.61/2,757.19 = 1,449.36/x
  3. Step 3: Cross multiply
    1,838.61x = 2,757.19 × 1,449.36
  4. Step 4: Simplify right side
    1,838.61x = 3,996,160.90
  5. Step 5: Solve for x
    x = 3,996,160.90/1,838.61
  6. Step 6: Final answer
    x = 2,173.47

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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.