Home / 3,047.22-4,204.91-1,721.25

Finding the Fourth Proportional to 3,047.22, 4,204.91 and 1,721.25

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Solution

The fourth proportional to 3,047.22, 4,204.91 and 1,721.25 is: 2,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.22 : 4,204.91 = 1,721.25 : x
  2. Step 2: Convert to fraction form
    3,047.22/4,204.91 = 1,721.25/x
  3. Step 3: Cross multiply
    3,047.22x = 4,204.91 × 1,721.25
  4. Step 4: Simplify right side
    3,047.22x = 7,237,705.64
  5. Step 5: Solve for x
    x = 7,237,705.64/3,047.22
  6. Step 6: Final answer
    x = 2,375.18

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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.