Home / 2,998.12-4,135.92-2,003.71

Finding the Fourth Proportional to 2,998.12, 4,135.92 and 2,003.71

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Solution

The fourth proportional to 2,998.12, 4,135.92 and 2,003.71 is: 2,764.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.12 : 4,135.92 = 2,003.71 : x
  2. Step 2: Convert to fraction form
    2,998.12/4,135.92 = 2,003.71/x
  3. Step 3: Cross multiply
    2,998.12x = 4,135.92 × 2,003.71
  4. Step 4: Simplify right side
    2,998.12x = 8,287,184.26
  5. Step 5: Solve for x
    x = 8,287,184.26/2,998.12
  6. Step 6: Final answer
    x = 2,764.13

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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.