Home / 2,943.14-4,061.71-1,946.68

Finding the Fourth Proportional to 2,943.14, 4,061.71 and 1,946.68

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Solution

The fourth proportional to 2,943.14, 4,061.71 and 1,946.68 is: 2,686.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,943.14 : 4,061.71 = 1,946.68 : x
  2. Step 2: Convert to fraction form
    2,943.14/4,061.71 = 1,946.68/x
  3. Step 3: Cross multiply
    2,943.14x = 4,061.71 × 1,946.68
  4. Step 4: Simplify right side
    2,943.14x = 7,906,856.54
  5. Step 5: Solve for x
    x = 7,906,856.54/2,943.14
  6. Step 6: Final answer
    x = 2,686.54

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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.