Home / 3,728.12-5,589.37-3,214.17

Finding the Fourth Proportional to 3,728.12, 5,589.37 and 3,214.17

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Solution

The fourth proportional to 3,728.12, 5,589.37 and 3,214.17 is: 4,818.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,728.12 : 5,589.37 = 3,214.17 : x
  2. Step 2: Convert to fraction form
    3,728.12/5,589.37 = 3,214.17/x
  3. Step 3: Cross multiply
    3,728.12x = 5,589.37 × 3,214.17
  4. Step 4: Simplify right side
    3,728.12x = 17,965,177.34
  5. Step 5: Solve for x
    x = 17,965,177.34/3,728.12
  6. Step 6: Final answer
    x = 4,818.84

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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.