Home / 2,240.26-3,361.35-1,264.90

Finding the Fourth Proportional to 2,240.26, 3,361.35 and 1,264.90

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Solution

The fourth proportional to 2,240.26, 3,361.35 and 1,264.90 is: 1,897.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.26 : 3,361.35 = 1,264.90 : x
  2. Step 2: Convert to fraction form
    2,240.26/3,361.35 = 1,264.90/x
  3. Step 3: Cross multiply
    2,240.26x = 3,361.35 × 1,264.90
  4. Step 4: Simplify right side
    2,240.26x = 4,251,771.62
  5. Step 5: Solve for x
    x = 4,251,771.62/2,240.26
  6. Step 6: Final answer
    x = 1,897.89

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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.