Home / 3,331.54-4,596.90-1,915.72

Finding the Fourth Proportional to 3,331.54, 4,596.90 and 1,915.72

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Solution

The fourth proportional to 3,331.54, 4,596.90 and 1,915.72 is: 2,643.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.54 : 4,596.90 = 1,915.72 : x
  2. Step 2: Convert to fraction form
    3,331.54/4,596.90 = 1,915.72/x
  3. Step 3: Cross multiply
    3,331.54x = 4,596.90 × 1,915.72
  4. Step 4: Simplify right side
    3,331.54x = 8,806,373.27
  5. Step 5: Solve for x
    x = 8,806,373.27/3,331.54
  6. Step 6: Final answer
    x = 2,643.33

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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.