Home / 3,331.76-4,597.43-1,915.47

Finding the Fourth Proportional to 3,331.76, 4,597.43 and 1,915.47

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Solution

The fourth proportional to 3,331.76, 4,597.43 and 1,915.47 is: 2,643.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.76 : 4,597.43 = 1,915.47 : x
  2. Step 2: Convert to fraction form
    3,331.76/4,597.43 = 1,915.47/x
  3. Step 3: Cross multiply
    3,331.76x = 4,597.43 × 1,915.47
  4. Step 4: Simplify right side
    3,331.76x = 8,806,229.66
  5. Step 5: Solve for x
    x = 8,806,229.66/3,331.76
  6. Step 6: Final answer
    x = 2,643.12

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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.