Home / 2,707.22-4,062.18-1,247.40

Finding the Fourth Proportional to 2,707.22, 4,062.18 and 1,247.40

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Solution

The fourth proportional to 2,707.22, 4,062.18 and 1,247.40 is: 1,871.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.22 : 4,062.18 = 1,247.40 : x
  2. Step 2: Convert to fraction form
    2,707.22/4,062.18 = 1,247.40/x
  3. Step 3: Cross multiply
    2,707.22x = 4,062.18 × 1,247.40
  4. Step 4: Simplify right side
    2,707.22x = 5,067,163.33
  5. Step 5: Solve for x
    x = 5,067,163.33/2,707.22
  6. Step 6: Final answer
    x = 1,871.72

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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.