Home / 2,908.05-4,013.18-1,581.83

Finding the Fourth Proportional to 2,908.05, 4,013.18 and 1,581.83

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Solution

The fourth proportional to 2,908.05, 4,013.18 and 1,581.83 is: 2,182.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.05 : 4,013.18 = 1,581.83 : x
  2. Step 2: Convert to fraction form
    2,908.05/4,013.18 = 1,581.83/x
  3. Step 3: Cross multiply
    2,908.05x = 4,013.18 × 1,581.83
  4. Step 4: Simplify right side
    2,908.05x = 6,348,140.54
  5. Step 5: Solve for x
    x = 6,348,140.54/2,908.05
  6. Step 6: Final answer
    x = 2,182.95

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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.