Home / 2,257.14-3,116.16-1,721.82

Finding the Fourth Proportional to 2,257.14, 3,116.16 and 1,721.82

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Solution

The fourth proportional to 2,257.14, 3,116.16 and 1,721.82 is: 2,377.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,257.14 : 3,116.16 = 1,721.82 : x
  2. Step 2: Convert to fraction form
    2,257.14/3,116.16 = 1,721.82/x
  3. Step 3: Cross multiply
    2,257.14x = 3,116.16 × 1,721.82
  4. Step 4: Simplify right side
    2,257.14x = 5,365,466.61
  5. Step 5: Solve for x
    x = 5,365,466.61/2,257.14
  6. Step 6: Final answer
    x = 2,377.11

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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.