Home / 2,217.41-3,326.78-1,048.31

Finding the Fourth Proportional to 2,217.41, 3,326.78 and 1,048.31

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Solution

The fourth proportional to 2,217.41, 3,326.78 and 1,048.31 is: 1,572.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.41 : 3,326.78 = 1,048.31 : x
  2. Step 2: Convert to fraction form
    2,217.41/3,326.78 = 1,048.31/x
  3. Step 3: Cross multiply
    2,217.41x = 3,326.78 × 1,048.31
  4. Step 4: Simplify right side
    2,217.41x = 3,487,496.74
  5. Step 5: Solve for x
    x = 3,487,496.74/2,217.41
  6. Step 6: Final answer
    x = 1,572.78

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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.