Home / 2,721.87-4,076.28-2,329.63

Finding the Fourth Proportional to 2,721.87, 4,076.28 and 2,329.63

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Solution

The fourth proportional to 2,721.87, 4,076.28 and 2,329.63 is: 3,488.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,721.87 : 4,076.28 = 2,329.63 : x
  2. Step 2: Convert to fraction form
    2,721.87/4,076.28 = 2,329.63/x
  3. Step 3: Cross multiply
    2,721.87x = 4,076.28 × 2,329.63
  4. Step 4: Simplify right side
    2,721.87x = 9,496,224.18
  5. Step 5: Solve for x
    x = 9,496,224.18/2,721.87
  6. Step 6: Final answer
    x = 3,488.86

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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.