Home / 3,331.29-4,597.39-1,915.43

Finding the Fourth Proportional to 3,331.29, 4,597.39 and 1,915.43

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Solution

The fourth proportional to 3,331.29, 4,597.39 and 1,915.43 is: 2,643.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.29 : 4,597.39 = 1,915.43 : x
  2. Step 2: Convert to fraction form
    3,331.29/4,597.39 = 1,915.43/x
  3. Step 3: Cross multiply
    3,331.29x = 4,597.39 × 1,915.43
  4. Step 4: Simplify right side
    3,331.29x = 8,805,978.73
  5. Step 5: Solve for x
    x = 8,805,978.73/3,331.29
  6. Step 6: Final answer
    x = 2,643.41

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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.