Home / 3,703.89-5,112-2,132.91

Finding the Fourth Proportional to 3,703.89, 5,112 and 2,132.91

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Solution

The fourth proportional to 3,703.89, 5,112 and 2,132.91 is: 2,943.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.89 : 5,112 = 2,132.91 : x
  2. Step 2: Convert to fraction form
    3,703.89/5,112 = 2,132.91/x
  3. Step 3: Cross multiply
    3,703.89x = 5,112 × 2,132.91
  4. Step 4: Simplify right side
    3,703.89x = 10,903,435.92
  5. Step 5: Solve for x
    x = 10,903,435.92/3,703.89
  6. Step 6: Final answer
    x = 2,943.78

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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.