Home / 3,720.23-5,134.59-2,227.83

Finding the Fourth Proportional to 3,720.23, 5,134.59 and 2,227.83

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Solution

The fourth proportional to 3,720.23, 5,134.59 and 2,227.83 is: 3,074.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.23 : 5,134.59 = 2,227.83 : x
  2. Step 2: Convert to fraction form
    3,720.23/5,134.59 = 2,227.83/x
  3. Step 3: Cross multiply
    3,720.23x = 5,134.59 × 2,227.83
  4. Step 4: Simplify right side
    3,720.23x = 11,438,993.64
  5. Step 5: Solve for x
    x = 11,438,993.64/3,720.23
  6. Step 6: Final answer
    x = 3,074.81

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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.