Home / 3,250.85-4,867.79-2,136.76

Finding the Fourth Proportional to 3,250.85, 4,867.79 and 2,136.76

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Solution

The fourth proportional to 3,250.85, 4,867.79 and 2,136.76 is: 3,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,250.85 : 4,867.79 = 2,136.76 : x
  2. Step 2: Convert to fraction form
    3,250.85/4,867.79 = 2,136.76/x
  3. Step 3: Cross multiply
    3,250.85x = 4,867.79 × 2,136.76
  4. Step 4: Simplify right side
    3,250.85x = 10,401,276.11
  5. Step 5: Solve for x
    x = 10,401,276.11/3,250.85
  6. Step 6: Final answer
    x = 3,199.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.