Home / 3,721.41-5,578.35-2,335.71

Finding the Fourth Proportional to 3,721.41, 5,578.35 and 2,335.71

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Solution

The fourth proportional to 3,721.41, 5,578.35 and 2,335.71 is: 3,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.41 : 5,578.35 = 2,335.71 : x
  2. Step 2: Convert to fraction form
    3,721.41/5,578.35 = 2,335.71/x
  3. Step 3: Cross multiply
    3,721.41x = 5,578.35 × 2,335.71
  4. Step 4: Simplify right side
    3,721.41x = 13,029,407.88
  5. Step 5: Solve for x
    x = 13,029,407.88/3,721.41
  6. Step 6: Final answer
    x = 3,501.20

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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.