Home / 3,723.57-5,138.24-2,231.35

Finding the Fourth Proportional to 3,723.57, 5,138.24 and 2,231.35

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Solution

The fourth proportional to 3,723.57, 5,138.24 and 2,231.35 is: 3,079.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,723.57 : 5,138.24 = 2,231.35 : x
  2. Step 2: Convert to fraction form
    3,723.57/5,138.24 = 2,231.35/x
  3. Step 3: Cross multiply
    3,723.57x = 5,138.24 × 2,231.35
  4. Step 4: Simplify right side
    3,723.57x = 11,465,187.82
  5. Step 5: Solve for x
    x = 11,465,187.82/3,723.57
  6. Step 6: Final answer
    x = 3,079.08

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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.