Home / 3,722.11-5,579.25-1,256.07

Finding the Fourth Proportional to 3,722.11, 5,579.25 and 1,256.07

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Solution

The fourth proportional to 3,722.11, 5,579.25 and 1,256.07 is: 1,882.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.11 : 5,579.25 = 1,256.07 : x
  2. Step 2: Convert to fraction form
    3,722.11/5,579.25 = 1,256.07/x
  3. Step 3: Cross multiply
    3,722.11x = 5,579.25 × 1,256.07
  4. Step 4: Simplify right side
    3,722.11x = 7,007,928.55
  5. Step 5: Solve for x
    x = 7,007,928.55/3,722.11
  6. Step 6: Final answer
    x = 1,882.78

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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.