Home / 2,998.28-4,141.65-2,718.83

Finding the Fourth Proportional to 2,998.28, 4,141.65 and 2,718.83

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Solution

The fourth proportional to 2,998.28, 4,141.65 and 2,718.83 is: 3,755.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.28 : 4,141.65 = 2,718.83 : x
  2. Step 2: Convert to fraction form
    2,998.28/4,141.65 = 2,718.83/x
  3. Step 3: Cross multiply
    2,998.28x = 4,141.65 × 2,718.83
  4. Step 4: Simplify right side
    2,998.28x = 11,260,421.56
  5. Step 5: Solve for x
    x = 11,260,421.56/2,998.28
  6. Step 6: Final answer
    x = 3,755.63

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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.