Home / 3,187.94-4,781.91-1,134.50

Finding the Fourth Proportional to 3,187.94, 4,781.91 and 1,134.50

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Solution

The fourth proportional to 3,187.94, 4,781.91 and 1,134.50 is: 1,701.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.94 : 4,781.91 = 1,134.50 : x
  2. Step 2: Convert to fraction form
    3,187.94/4,781.91 = 1,134.50/x
  3. Step 3: Cross multiply
    3,187.94x = 4,781.91 × 1,134.50
  4. Step 4: Simplify right side
    3,187.94x = 5,425,076.90
  5. Step 5: Solve for x
    x = 5,425,076.90/3,187.94
  6. Step 6: Final answer
    x = 1,701.75

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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.