Home / 3,608.04-5,411.91-2,143.97

Finding the Fourth Proportional to 3,608.04, 5,411.91 and 2,143.97

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Solution

The fourth proportional to 3,608.04, 5,411.91 and 2,143.97 is: 3,215.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.04 : 5,411.91 = 2,143.97 : x
  2. Step 2: Convert to fraction form
    3,608.04/5,411.91 = 2,143.97/x
  3. Step 3: Cross multiply
    3,608.04x = 5,411.91 × 2,143.97
  4. Step 4: Simplify right side
    3,608.04x = 11,602,973.96
  5. Step 5: Solve for x
    x = 11,602,973.96/3,608.04
  6. Step 6: Final answer
    x = 3,215.86

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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.