Home / 2,976.39-4,463.87-1,220.92

Finding the Fourth Proportional to 2,976.39, 4,463.87 and 1,220.92

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Solution

The fourth proportional to 2,976.39, 4,463.87 and 1,220.92 is: 1,831.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,976.39 : 4,463.87 = 1,220.92 : x
  2. Step 2: Convert to fraction form
    2,976.39/4,463.87 = 1,220.92/x
  3. Step 3: Cross multiply
    2,976.39x = 4,463.87 × 1,220.92
  4. Step 4: Simplify right side
    2,976.39x = 5,450,044.59
  5. Step 5: Solve for x
    x = 5,450,044.59/2,976.39
  6. Step 6: Final answer
    x = 1,831.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.