Home / 3,963.59-5,466.71-2,768.19

Finding the Fourth Proportional to 3,963.59, 5,466.71 and 2,768.19

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Solution

The fourth proportional to 3,963.59, 5,466.71 and 2,768.19 is: 3,817.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.59 : 5,466.71 = 2,768.19 : x
  2. Step 2: Convert to fraction form
    3,963.59/5,466.71 = 2,768.19/x
  3. Step 3: Cross multiply
    3,963.59x = 5,466.71 × 2,768.19
  4. Step 4: Simplify right side
    3,963.59x = 15,132,878.11
  5. Step 5: Solve for x
    x = 15,132,878.11/3,963.59
  6. Step 6: Final answer
    x = 3,817.97

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1.5x scale

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.