Home / 3,187.50-4,773.09-2,891.58

Finding the Fourth Proportional to 3,187.50, 4,773.09 and 2,891.58

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Solution

The fourth proportional to 3,187.50, 4,773.09 and 2,891.58 is: 4,329.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.50 : 4,773.09 = 2,891.58 : x
  2. Step 2: Convert to fraction form
    3,187.50/4,773.09 = 2,891.58/x
  3. Step 3: Cross multiply
    3,187.50x = 4,773.09 × 2,891.58
  4. Step 4: Simplify right side
    3,187.50x = 13,801,771.58
  5. Step 5: Solve for x
    x = 13,801,771.58/3,187.50
  6. Step 6: Final answer
    x = 4,329.97

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1.5x scale

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.