Home / 3,081.04-4,251.69-1,683.79

Finding the Fourth Proportional to 3,081.04, 4,251.69 and 1,683.79

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Solution

The fourth proportional to 3,081.04, 4,251.69 and 1,683.79 is: 2,323.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,081.04 : 4,251.69 = 1,683.79 : x
  2. Step 2: Convert to fraction form
    3,081.04/4,251.69 = 1,683.79/x
  3. Step 3: Cross multiply
    3,081.04x = 4,251.69 × 1,683.79
  4. Step 4: Simplify right side
    3,081.04x = 7,158,942.48
  5. Step 5: Solve for x
    x = 7,158,942.48/3,081.04
  6. Step 6: Final answer
    x = 2,323.55

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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.