Home / 2,278.45-3,144.41-1,334.53

Finding the Fourth Proportional to 2,278.45, 3,144.41 and 1,334.53

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Solution

The fourth proportional to 2,278.45, 3,144.41 and 1,334.53 is: 1,841.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278.45 : 3,144.41 = 1,334.53 : x
  2. Step 2: Convert to fraction form
    2,278.45/3,144.41 = 1,334.53/x
  3. Step 3: Cross multiply
    2,278.45x = 3,144.41 × 1,334.53
  4. Step 4: Simplify right side
    2,278.45x = 4,196,309.48
  5. Step 5: Solve for x
    x = 4,196,309.48/2,278.45
  6. Step 6: Final answer
    x = 1,841.74

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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.