Home / 3,821.74-5,276.16-2,923.79

Finding the Fourth Proportional to 3,821.74, 5,276.16 and 2,923.79

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Solution

The fourth proportional to 3,821.74, 5,276.16 and 2,923.79 is: 4,036.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,821.74 : 5,276.16 = 2,923.79 : x
  2. Step 2: Convert to fraction form
    3,821.74/5,276.16 = 2,923.79/x
  3. Step 3: Cross multiply
    3,821.74x = 5,276.16 × 2,923.79
  4. Step 4: Simplify right side
    3,821.74x = 15,426,357.47
  5. Step 5: Solve for x
    x = 15,426,357.47/3,821.74
  6. Step 6: Final answer
    x = 4,036.48

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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.