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Finding the Fourth Proportional to 3,610.25, 4,982.15 and 1,954.25

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Solution

The fourth proportional to 3,610.25, 4,982.15 and 1,954.25 is: 2,696.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.25 : 4,982.15 = 1,954.25 : x
  2. Step 2: Convert to fraction form
    3,610.25/4,982.15 = 1,954.25/x
  3. Step 3: Cross multiply
    3,610.25x = 4,982.15 × 1,954.25
  4. Step 4: Simplify right side
    3,610.25x = 9,736,356.87
  5. Step 5: Solve for x
    x = 9,736,356.87/3,610.25
  6. Step 6: Final answer
    x = 2,696.87

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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.