Home / 3,241.47-4,472.19-1,915.62

Finding the Fourth Proportional to 3,241.47, 4,472.19 and 1,915.62

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Solution

The fourth proportional to 3,241.47, 4,472.19 and 1,915.62 is: 2,642.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,241.47 : 4,472.19 = 1,915.62 : x
  2. Step 2: Convert to fraction form
    3,241.47/4,472.19 = 1,915.62/x
  3. Step 3: Cross multiply
    3,241.47x = 4,472.19 × 1,915.62
  4. Step 4: Simplify right side
    3,241.47x = 8,567,016.61
  5. Step 5: Solve for x
    x = 8,567,016.61/3,241.47
  6. Step 6: Final answer
    x = 2,642.94

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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.