Home / 2,288.96-3,161.34-1,541.61

Finding the Fourth Proportional to 2,288.96, 3,161.34 and 1,541.61

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Solution

The fourth proportional to 2,288.96, 3,161.34 and 1,541.61 is: 2,129.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,288.96 : 3,161.34 = 1,541.61 : x
  2. Step 2: Convert to fraction form
    2,288.96/3,161.34 = 1,541.61/x
  3. Step 3: Cross multiply
    2,288.96x = 3,161.34 × 1,541.61
  4. Step 4: Simplify right side
    2,288.96x = 4,873,553.36
  5. Step 5: Solve for x
    x = 4,873,553.36/2,288.96
  6. Step 6: Final answer
    x = 2,129.16

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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.