Home / 2,940.10-4,411.17-1,956.86

Finding the Fourth Proportional to 2,940.10, 4,411.17 and 1,956.86

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Solution

The fourth proportional to 2,940.10, 4,411.17 and 1,956.86 is: 2,935.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.10 : 4,411.17 = 1,956.86 : x
  2. Step 2: Convert to fraction form
    2,940.10/4,411.17 = 1,956.86/x
  3. Step 3: Cross multiply
    2,940.10x = 4,411.17 × 1,956.86
  4. Step 4: Simplify right side
    2,940.10x = 8,632,042.13
  5. Step 5: Solve for x
    x = 8,632,042.13/2,940.10
  6. Step 6: Final answer
    x = 2,935.97

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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.