Home / 3,719.26-5,132.55-2,148.22

Finding the Fourth Proportional to 3,719.26, 5,132.55 and 2,148.22

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Solution

The fourth proportional to 3,719.26, 5,132.55 and 2,148.22 is: 2,964.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,719.26 : 5,132.55 = 2,148.22 : x
  2. Step 2: Convert to fraction form
    3,719.26/5,132.55 = 2,148.22/x
  3. Step 3: Cross multiply
    3,719.26x = 5,132.55 × 2,148.22
  4. Step 4: Simplify right side
    3,719.26x = 11,025,846.56
  5. Step 5: Solve for x
    x = 11,025,846.56/3,719.26
  6. Step 6: Final answer
    x = 2,964.53

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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.