Home / 3,753.24-5,178.79-2,409.11

Finding the Fourth Proportional to 3,753.24, 5,178.79 and 2,409.11

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Solution

The fourth proportional to 3,753.24, 5,178.79 and 2,409.11 is: 3,324.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,753.24 : 5,178.79 = 2,409.11 : x
  2. Step 2: Convert to fraction form
    3,753.24/5,178.79 = 2,409.11/x
  3. Step 3: Cross multiply
    3,753.24x = 5,178.79 × 2,409.11
  4. Step 4: Simplify right side
    3,753.24x = 12,476,236.84
  5. Step 5: Solve for x
    x = 12,476,236.84/3,753.24
  6. Step 6: Final answer
    x = 3,324.12

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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.