Home / 3,720.19-5,129.66-2,373.99

Finding the Fourth Proportional to 3,720.19, 5,129.66 and 2,373.99

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Solution

The fourth proportional to 3,720.19, 5,129.66 and 2,373.99 is: 3,273.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.19 : 5,129.66 = 2,373.99 : x
  2. Step 2: Convert to fraction form
    3,720.19/5,129.66 = 2,373.99/x
  3. Step 3: Cross multiply
    3,720.19x = 5,129.66 × 2,373.99
  4. Step 4: Simplify right side
    3,720.19x = 12,177,761.54
  5. Step 5: Solve for x
    x = 12,177,761.54/3,720.19
  6. Step 6: Final answer
    x = 3,273.42

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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.