Home / 3,187.54-4,398.33-1,790.02

Finding the Fourth Proportional to 3,187.54, 4,398.33 and 1,790.02

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Solution

The fourth proportional to 3,187.54, 4,398.33 and 1,790.02 is: 2,469.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.54 : 4,398.33 = 1,790.02 : x
  2. Step 2: Convert to fraction form
    3,187.54/4,398.33 = 1,790.02/x
  3. Step 3: Cross multiply
    3,187.54x = 4,398.33 × 1,790.02
  4. Step 4: Simplify right side
    3,187.54x = 7,873,098.67
  5. Step 5: Solve for x
    x = 7,873,098.67/3,187.54
  6. Step 6: Final answer
    x = 2,469.96

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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.