Home / 3,187.19-4,394.49-2,214.56

Finding the Fourth Proportional to 3,187.19, 4,394.49 and 2,214.56

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Solution

The fourth proportional to 3,187.19, 4,394.49 and 2,214.56 is: 3,053.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187.19 : 4,394.49 = 2,214.56 : x
  2. Step 2: Convert to fraction form
    3,187.19/4,394.49 = 2,214.56/x
  3. Step 3: Cross multiply
    3,187.19x = 4,394.49 × 2,214.56
  4. Step 4: Simplify right side
    3,187.19x = 9,731,861.77
  5. Step 5: Solve for x
    x = 9,731,861.77/3,187.19
  6. Step 6: Final answer
    x = 3,053.43

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1.5x scale

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.