Home / 2,278.53-3,144.39-1,334.11

Finding the Fourth Proportional to 2,278.53, 3,144.39 and 1,334.11

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Solution

The fourth proportional to 2,278.53, 3,144.39 and 1,334.11 is: 1,841.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.53 : 3,144.39 = 1,334.11 : x
  2. Step 2: Convert to fraction form
    2,278.53/3,144.39 = 1,334.11/x
  3. Step 3: Cross multiply
    2,278.53x = 3,144.39 × 1,334.11
  4. Step 4: Simplify right side
    2,278.53x = 4,194,962.14
  5. Step 5: Solve for x
    x = 4,194,962.14/2,278.53
  6. Step 6: Final answer
    x = 1,841.09

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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.