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Finding the Fourth Proportional to 3,963.71, 5,948.94 and 2,210.42

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Solution

The fourth proportional to 3,963.71, 5,948.94 and 2,210.42 is: 3,317.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.71 : 5,948.94 = 2,210.42 : x
  2. Step 2: Convert to fraction form
    3,963.71/5,948.94 = 2,210.42/x
  3. Step 3: Cross multiply
    3,963.71x = 5,948.94 × 2,210.42
  4. Step 4: Simplify right side
    3,963.71x = 13,149,655.95
  5. Step 5: Solve for x
    x = 13,149,655.95/3,963.71
  6. Step 6: Final answer
    x = 3,317.51

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1.5x scale

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.