Home / 2,256.90-3,115.65-1,418.82

Finding the Fourth Proportional to 2,256.90, 3,115.65 and 1,418.82

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Solution

The fourth proportional to 2,256.90, 3,115.65 and 1,418.82 is: 1,958.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,256.90 : 3,115.65 = 1,418.82 : x
  2. Step 2: Convert to fraction form
    2,256.90/3,115.65 = 1,418.82/x
  3. Step 3: Cross multiply
    2,256.90x = 3,115.65 × 1,418.82
  4. Step 4: Simplify right side
    2,256.90x = 4,420,546.53
  5. Step 5: Solve for x
    x = 4,420,546.53/2,256.90
  6. Step 6: Final answer
    x = 1,958.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.