Home / 3,240.96-4,861.68-1,049.76

Finding the Fourth Proportional to 3,240.96, 4,861.68 and 1,049.76

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Solution

The fourth proportional to 3,240.96, 4,861.68 and 1,049.76 is: 1,574.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.96 : 4,861.68 = 1,049.76 : x
  2. Step 2: Convert to fraction form
    3,240.96/4,861.68 = 1,049.76/x
  3. Step 3: Cross multiply
    3,240.96x = 4,861.68 × 1,049.76
  4. Step 4: Simplify right side
    3,240.96x = 5,103,597.20
  5. Step 5: Solve for x
    x = 5,103,597.20/3,240.96
  6. Step 6: Final answer
    x = 1,574.72

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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.