Home / 3,144.56-4,348.89-2,750.90

Finding the Fourth Proportional to 3,144.56, 4,348.89 and 2,750.90

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Solution

The fourth proportional to 3,144.56, 4,348.89 and 2,750.90 is: 3,804.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,144.56 : 4,348.89 = 2,750.90 : x
  2. Step 2: Convert to fraction form
    3,144.56/4,348.89 = 2,750.90/x
  3. Step 3: Cross multiply
    3,144.56x = 4,348.89 × 2,750.90
  4. Step 4: Simplify right side
    3,144.56x = 11,963,361.50
  5. Step 5: Solve for x
    x = 11,963,361.50/3,144.56
  6. Step 6: Final answer
    x = 3,804.46

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1.5x scale

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.