Home / 2,146.68-3,215.39-1,449.52

Finding the Fourth Proportional to 2,146.68, 3,215.39 and 1,449.52

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Solution

The fourth proportional to 2,146.68, 3,215.39 and 1,449.52 is: 2,171.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,146.68 : 3,215.39 = 1,449.52 : x
  2. Step 2: Convert to fraction form
    2,146.68/3,215.39 = 1,449.52/x
  3. Step 3: Cross multiply
    2,146.68x = 3,215.39 × 1,449.52
  4. Step 4: Simplify right side
    2,146.68x = 4,660,772.11
  5. Step 5: Solve for x
    x = 4,660,772.11/2,146.68
  6. Step 6: Final answer
    x = 2,171.15

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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.