Home / 3,047.34-4,205.46-1,721.04

Finding the Fourth Proportional to 3,047.34, 4,205.46 and 1,721.04

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Solution

The fourth proportional to 3,047.34, 4,205.46 and 1,721.04 is: 2,375.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.34 : 4,205.46 = 1,721.04 : x
  2. Step 2: Convert to fraction form
    3,047.34/4,205.46 = 1,721.04/x
  3. Step 3: Cross multiply
    3,047.34x = 4,205.46 × 1,721.04
  4. Step 4: Simplify right side
    3,047.34x = 7,237,764.88
  5. Step 5: Solve for x
    x = 7,237,764.88/3,047.34
  6. Step 6: Final answer
    x = 2,375.11

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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.