Home / 3,913.17-5,871.66-1,721.62

Finding the Fourth Proportional to 3,913.17, 5,871.66 and 1,721.62

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Solution

The fourth proportional to 3,913.17, 5,871.66 and 1,721.62 is: 2,583.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.17 : 5,871.66 = 1,721.62 : x
  2. Step 2: Convert to fraction form
    3,913.17/5,871.66 = 1,721.62/x
  3. Step 3: Cross multiply
    3,913.17x = 5,871.66 × 1,721.62
  4. Step 4: Simplify right side
    3,913.17x = 10,108,767.29
  5. Step 5: Solve for x
    x = 10,108,767.29/3,913.17
  6. Step 6: Final answer
    x = 2,583.27

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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.