Home / 3,939.76-5,437.04-2,524.68

Finding the Fourth Proportional to 3,939.76, 5,437.04 and 2,524.68

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Solution

The fourth proportional to 3,939.76, 5,437.04 and 2,524.68 is: 3,484.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939.76 : 5,437.04 = 2,524.68 : x
  2. Step 2: Convert to fraction form
    3,939.76/5,437.04 = 2,524.68/x
  3. Step 3: Cross multiply
    3,939.76x = 5,437.04 × 2,524.68
  4. Step 4: Simplify right side
    3,939.76x = 13,726,786.15
  5. Step 5: Solve for x
    x = 13,726,786.15/3,939.76
  6. Step 6: Final answer
    x = 3,484.17

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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.