Home / 2,429.62-3,348.84-1,720.56

Finding the Fourth Proportional to 2,429.62, 3,348.84 and 1,720.56

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Solution

The fourth proportional to 2,429.62, 3,348.84 and 1,720.56 is: 2,371.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,429.62 : 3,348.84 = 1,720.56 : x
  2. Step 2: Convert to fraction form
    2,429.62/3,348.84 = 1,720.56/x
  3. Step 3: Cross multiply
    2,429.62x = 3,348.84 × 1,720.56
  4. Step 4: Simplify right side
    2,429.62x = 5,761,876.08
  5. Step 5: Solve for x
    x = 5,761,876.08/2,429.62
  6. Step 6: Final answer
    x = 2,371.51

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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.