Home / 2,908.25-4,013.42-1,581.98

Finding the Fourth Proportional to 2,908.25, 4,013.42 and 1,581.98

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Solution

The fourth proportional to 2,908.25, 4,013.42 and 1,581.98 is: 2,183.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.25 : 4,013.42 = 1,581.98 : x
  2. Step 2: Convert to fraction form
    2,908.25/4,013.42 = 1,581.98/x
  3. Step 3: Cross multiply
    2,908.25x = 4,013.42 × 1,581.98
  4. Step 4: Simplify right side
    2,908.25x = 6,349,122.19
  5. Step 5: Solve for x
    x = 6,349,122.19/2,908.25
  6. Step 6: Final answer
    x = 2,183.15

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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.