Home / 3,188.41-4,399.97-1,862.31

Finding the Fourth Proportional to 3,188.41, 4,399.97 and 1,862.31

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Solution

The fourth proportional to 3,188.41, 4,399.97 and 1,862.31 is: 2,569.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188.41 : 4,399.97 = 1,862.31 : x
  2. Step 2: Convert to fraction form
    3,188.41/4,399.97 = 1,862.31/x
  3. Step 3: Cross multiply
    3,188.41x = 4,399.97 × 1,862.31
  4. Step 4: Simplify right side
    3,188.41x = 8,194,108.13
  5. Step 5: Solve for x
    x = 8,194,108.13/3,188.41
  6. Step 6: Final answer
    x = 2,569.97

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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.