Home / 3,680.01-5,074.97-2,839.38

Finding the Fourth Proportional to 3,680.01, 5,074.97 and 2,839.38

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Solution

The fourth proportional to 3,680.01, 5,074.97 and 2,839.38 is: 3,915.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.01 : 5,074.97 = 2,839.38 : x
  2. Step 2: Convert to fraction form
    3,680.01/5,074.97 = 2,839.38/x
  3. Step 3: Cross multiply
    3,680.01x = 5,074.97 × 2,839.38
  4. Step 4: Simplify right side
    3,680.01x = 14,409,754.12
  5. Step 5: Solve for x
    x = 14,409,754.12/3,680.01
  6. Step 6: Final answer
    x = 3,915.68

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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.