Home / 3,291.47-4,940.61-2,203.43

Finding the Fourth Proportional to 3,291.47, 4,940.61 and 2,203.43

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Solution

The fourth proportional to 3,291.47, 4,940.61 and 2,203.43 is: 3,307.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.47 : 4,940.61 = 2,203.43 : x
  2. Step 2: Convert to fraction form
    3,291.47/4,940.61 = 2,203.43/x
  3. Step 3: Cross multiply
    3,291.47x = 4,940.61 × 2,203.43
  4. Step 4: Simplify right side
    3,291.47x = 10,886,288.29
  5. Step 5: Solve for x
    x = 10,886,288.29/3,291.47
  6. Step 6: Final answer
    x = 3,307.43

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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.