Home / 2,940.59-4,407.85-2,207.95

Finding the Fourth Proportional to 2,940.59, 4,407.85 and 2,207.95

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Solution

The fourth proportional to 2,940.59, 4,407.85 and 2,207.95 is: 3,309.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.59 : 4,407.85 = 2,207.95 : x
  2. Step 2: Convert to fraction form
    2,940.59/4,407.85 = 2,207.95/x
  3. Step 3: Cross multiply
    2,940.59x = 4,407.85 × 2,207.95
  4. Step 4: Simplify right side
    2,940.59x = 9,732,279.33
  5. Step 5: Solve for x
    x = 9,732,279.33/2,940.59
  6. Step 6: Final answer
    x = 3,309.63

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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.