Home / 2,348.78-3,241.35-1,286.52

Finding the Fourth Proportional to 2,348.78, 3,241.35 and 1,286.52

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Solution

The fourth proportional to 2,348.78, 3,241.35 and 1,286.52 is: 1,775.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.78 : 3,241.35 = 1,286.52 : x
  2. Step 2: Convert to fraction form
    2,348.78/3,241.35 = 1,286.52/x
  3. Step 3: Cross multiply
    2,348.78x = 3,241.35 × 1,286.52
  4. Step 4: Simplify right side
    2,348.78x = 4,170,060.41
  5. Step 5: Solve for x
    x = 4,170,060.41/2,348.78
  6. Step 6: Final answer
    x = 1,775.42

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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.