Home / 3,212.50-4,434-2,091.49

Finding the Fourth Proportional to 3,212.50, 4,434 and 2,091.49

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Solution

The fourth proportional to 3,212.50, 4,434 and 2,091.49 is: 2,886.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.50 : 4,434 = 2,091.49 : x
  2. Step 2: Convert to fraction form
    3,212.50/4,434 = 2,091.49/x
  3. Step 3: Cross multiply
    3,212.50x = 4,434 × 2,091.49
  4. Step 4: Simplify right side
    3,212.50x = 9,273,666.66
  5. Step 5: Solve for x
    x = 9,273,666.66/3,212.50
  6. Step 6: Final answer
    x = 2,886.74

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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.