Home / 3,712.12-5,589.88-2,745.04

Finding the Fourth Proportional to 3,712.12, 5,589.88 and 2,745.04

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Solution

The fourth proportional to 3,712.12, 5,589.88 and 2,745.04 is: 4,133.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.12 : 5,589.88 = 2,745.04 : x
  2. Step 2: Convert to fraction form
    3,712.12/5,589.88 = 2,745.04/x
  3. Step 3: Cross multiply
    3,712.12x = 5,589.88 × 2,745.04
  4. Step 4: Simplify right side
    3,712.12x = 15,344,444.20
  5. Step 5: Solve for x
    x = 15,344,444.20/3,712.12
  6. Step 6: Final answer
    x = 4,133.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.