Home / 2,867.28-4,301.46-1,223.79

Finding the Fourth Proportional to 2,867.28, 4,301.46 and 1,223.79

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Solution

The fourth proportional to 2,867.28, 4,301.46 and 1,223.79 is: 1,835.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.28 : 4,301.46 = 1,223.79 : x
  2. Step 2: Convert to fraction form
    2,867.28/4,301.46 = 1,223.79/x
  3. Step 3: Cross multiply
    2,867.28x = 4,301.46 × 1,223.79
  4. Step 4: Simplify right side
    2,867.28x = 5,264,083.73
  5. Step 5: Solve for x
    x = 5,264,083.73/2,867.28
  6. Step 6: Final answer
    x = 1,835.92

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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.