Home / 3,115.16-4,300.10-2,067.56

Finding the Fourth Proportional to 3,115.16, 4,300.10 and 2,067.56

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Solution

The fourth proportional to 3,115.16, 4,300.10 and 2,067.56 is: 2,854.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.16 : 4,300.10 = 2,067.56 : x
  2. Step 2: Convert to fraction form
    3,115.16/4,300.10 = 2,067.56/x
  3. Step 3: Cross multiply
    3,115.16x = 4,300.10 × 2,067.56
  4. Step 4: Simplify right side
    3,115.16x = 8,890,714.76
  5. Step 5: Solve for x
    x = 8,890,714.76/3,115.16
  6. Step 6: Final answer
    x = 2,854.02

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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.