Home / 3,844.28-5,306.28-2,409.42

Finding the Fourth Proportional to 3,844.28, 5,306.28 and 2,409.42

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Solution

The fourth proportional to 3,844.28, 5,306.28 and 2,409.42 is: 3,325.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844.28 : 5,306.28 = 2,409.42 : x
  2. Step 2: Convert to fraction form
    3,844.28/5,306.28 = 2,409.42/x
  3. Step 3: Cross multiply
    3,844.28x = 5,306.28 × 2,409.42
  4. Step 4: Simplify right side
    3,844.28x = 12,785,057.16
  5. Step 5: Solve for x
    x = 12,785,057.16/3,844.28
  6. Step 6: Final answer
    x = 3,325.74

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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.