Home / 2,542.16-3,814.77-1,081.31

Finding the Fourth Proportional to 2,542.16, 3,814.77 and 1,081.31

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Solution

The fourth proportional to 2,542.16, 3,814.77 and 1,081.31 is: 1,622.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.16 : 3,814.77 = 1,081.31 : x
  2. Step 2: Convert to fraction form
    2,542.16/3,814.77 = 1,081.31/x
  3. Step 3: Cross multiply
    2,542.16x = 3,814.77 × 1,081.31
  4. Step 4: Simplify right side
    2,542.16x = 4,124,927.17
  5. Step 5: Solve for x
    x = 4,124,927.17/2,542.16
  6. Step 6: Final answer
    x = 1,622.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.