Home / 3,240.55-4,861.60-1,049.28

Finding the Fourth Proportional to 3,240.55, 4,861.60 and 1,049.28

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Solution

The fourth proportional to 3,240.55, 4,861.60 and 1,049.28 is: 1,574.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,240.55 : 4,861.60 = 1,049.28 : x
  2. Step 2: Convert to fraction form
    3,240.55/4,861.60 = 1,049.28/x
  3. Step 3: Cross multiply
    3,240.55x = 4,861.60 × 1,049.28
  4. Step 4: Simplify right side
    3,240.55x = 5,101,179.65
  5. Step 5: Solve for x
    x = 5,101,179.65/3,240.55
  6. Step 6: Final answer
    x = 1,574.17

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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.