Home / 3,721.20-5,573.70-3,073.20

Finding the Fourth Proportional to 3,721.20, 5,573.70 and 3,073.20

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Solution

The fourth proportional to 3,721.20, 5,573.70 and 3,073.20 is: 4,603.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.20 : 5,573.70 = 3,073.20 : x
  2. Step 2: Convert to fraction form
    3,721.20/5,573.70 = 3,073.20/x
  3. Step 3: Cross multiply
    3,721.20x = 5,573.70 × 3,073.20
  4. Step 4: Simplify right side
    3,721.20x = 17,129,094.84
  5. Step 5: Solve for x
    x = 17,129,094.84/3,721.20
  6. Step 6: Final answer
    x = 4,603.11

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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.