Home / 1,246.20-1,867.14-1,028.04

Finding the Fourth Proportional to 1,246.20, 1,867.14 and 1,028.04

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Solution

The fourth proportional to 1,246.20, 1,867.14 and 1,028.04 is: 1,540.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246.20 : 1,867.14 = 1,028.04 : x
  2. Step 2: Convert to fraction form
    1,246.20/1,867.14 = 1,028.04/x
  3. Step 3: Cross multiply
    1,246.20x = 1,867.14 × 1,028.04
  4. Step 4: Simplify right side
    1,246.20x = 1,919,494.61
  5. Step 5: Solve for x
    x = 1,919,494.61/1,246.20
  6. Step 6: Final answer
    x = 1,540.28

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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.