Home / 1,334.40-1,833.45-1,249.08

Finding the Fourth Proportional to 1,334.40, 1,833.45 and 1,249.08

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Solution

The fourth proportional to 1,334.40, 1,833.45 and 1,249.08 is: 1,716.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.40 : 1,833.45 = 1,249.08 : x
  2. Step 2: Convert to fraction form
    1,334.40/1,833.45 = 1,249.08/x
  3. Step 3: Cross multiply
    1,334.40x = 1,833.45 × 1,249.08
  4. Step 4: Simplify right side
    1,334.40x = 2,290,125.73
  5. Step 5: Solve for x
    x = 2,290,125.73/1,334.40
  6. Step 6: Final answer
    x = 1,716.22

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.