Home / 3,291.27-4,541.79-1,964.49

Finding the Fourth Proportional to 3,291.27, 4,541.79 and 1,964.49

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Solution

The fourth proportional to 3,291.27, 4,541.79 and 1,964.49 is: 2,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.27 : 4,541.79 = 1,964.49 : x
  2. Step 2: Convert to fraction form
    3,291.27/4,541.79 = 1,964.49/x
  3. Step 3: Cross multiply
    3,291.27x = 4,541.79 × 1,964.49
  4. Step 4: Simplify right side
    3,291.27x = 8,922,325.44
  5. Step 5: Solve for x
    x = 8,922,325.44/3,291.27
  6. Step 6: Final answer
    x = 2,710.90

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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.