Home / 3,721.34-5,134.16-2,208.56

Finding the Fourth Proportional to 3,721.34, 5,134.16 and 2,208.56

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Solution

The fourth proportional to 3,721.34, 5,134.16 and 2,208.56 is: 3,047.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.34 : 5,134.16 = 2,208.56 : x
  2. Step 2: Convert to fraction form
    3,721.34/5,134.16 = 2,208.56/x
  3. Step 3: Cross multiply
    3,721.34x = 5,134.16 × 2,208.56
  4. Step 4: Simplify right side
    3,721.34x = 11,339,080.26
  5. Step 5: Solve for x
    x = 11,339,080.26/3,721.34
  6. Step 6: Final answer
    x = 3,047.04

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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.