Home / 3,836.45-5,271.36-3,049.13

Finding the Fourth Proportional to 3,836.45, 5,271.36 and 3,049.13

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Solution

The fourth proportional to 3,836.45, 5,271.36 and 3,049.13 is: 4,189.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.45 : 5,271.36 = 3,049.13 : x
  2. Step 2: Convert to fraction form
    3,836.45/5,271.36 = 3,049.13/x
  3. Step 3: Cross multiply
    3,836.45x = 5,271.36 × 3,049.13
  4. Step 4: Simplify right side
    3,836.45x = 16,073,061.92
  5. Step 5: Solve for x
    x = 16,073,061.92/3,836.45
  6. Step 6: Final answer
    x = 4,189.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.