Home / 2,542.94-3,820.80-1,618.91

Finding the Fourth Proportional to 2,542.94, 3,820.80 and 1,618.91

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Solution

The fourth proportional to 2,542.94, 3,820.80 and 1,618.91 is: 2,432.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,542.94 : 3,820.80 = 1,618.91 : x
  2. Step 2: Convert to fraction form
    2,542.94/3,820.80 = 1,618.91/x
  3. Step 3: Cross multiply
    2,542.94x = 3,820.80 × 1,618.91
  4. Step 4: Simplify right side
    2,542.94x = 6,185,531.33
  5. Step 5: Solve for x
    x = 6,185,531.33/2,542.94
  6. Step 6: Final answer
    x = 2,432.43

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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.