Home / 3,721.86-5,135.13-2,933.46

Finding the Fourth Proportional to 3,721.86, 5,135.13 and 2,933.46

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Solution

The fourth proportional to 3,721.86, 5,135.13 and 2,933.46 is: 4,047.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.86 : 5,135.13 = 2,933.46 : x
  2. Step 2: Convert to fraction form
    3,721.86/5,135.13 = 2,933.46/x
  3. Step 3: Cross multiply
    3,721.86x = 5,135.13 × 2,933.46
  4. Step 4: Simplify right side
    3,721.86x = 15,063,698.45
  5. Step 5: Solve for x
    x = 15,063,698.45/3,721.86
  6. Step 6: Final answer
    x = 4,047.36

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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.