Home / 3,675.32-5,072.46-2,278.52

Finding the Fourth Proportional to 3,675.32, 5,072.46 and 2,278.52

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Solution

The fourth proportional to 3,675.32, 5,072.46 and 2,278.52 is: 3,144.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.32 : 5,072.46 = 2,278.52 : x
  2. Step 2: Convert to fraction form
    3,675.32/5,072.46 = 2,278.52/x
  3. Step 3: Cross multiply
    3,675.32x = 5,072.46 × 2,278.52
  4. Step 4: Simplify right side
    3,675.32x = 11,557,701.56
  5. Step 5: Solve for x
    x = 11,557,701.56/3,675.32
  6. Step 6: Final answer
    x = 3,144.68

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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.