Home / 2,144.29-3,217.47-1,867.17

Finding the Fourth Proportional to 2,144.29, 3,217.47 and 1,867.17

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Solution

The fourth proportional to 2,144.29, 3,217.47 and 1,867.17 is: 2,801.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,144.29 : 3,217.47 = 1,867.17 : x
  2. Step 2: Convert to fraction form
    2,144.29/3,217.47 = 1,867.17/x
  3. Step 3: Cross multiply
    2,144.29x = 3,217.47 × 1,867.17
  4. Step 4: Simplify right side
    2,144.29x = 6,007,563.46
  5. Step 5: Solve for x
    x = 6,007,563.46/2,144.29
  6. Step 6: Final answer
    x = 2,801.66

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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.