Home / 2,391.98-3,293.79-2,217.74

Finding the Fourth Proportional to 2,391.98, 3,293.79 and 2,217.74

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Solution

The fourth proportional to 2,391.98, 3,293.79 and 2,217.74 is: 3,053.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.98 : 3,293.79 = 2,217.74 : x
  2. Step 2: Convert to fraction form
    2,391.98/3,293.79 = 2,217.74/x
  3. Step 3: Cross multiply
    2,391.98x = 3,293.79 × 2,217.74
  4. Step 4: Simplify right side
    2,391.98x = 7,304,769.83
  5. Step 5: Solve for x
    x = 7,304,769.83/2,391.98
  6. Step 6: Final answer
    x = 3,053.86

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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.