Home / 3,631.74-5,448.42-1,965.84

Finding the Fourth Proportional to 3,631.74, 5,448.42 and 1,965.84

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Solution

The fourth proportional to 3,631.74, 5,448.42 and 1,965.84 is: 2,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631.74 : 5,448.42 = 1,965.84 : x
  2. Step 2: Convert to fraction form
    3,631.74/5,448.42 = 1,965.84/x
  3. Step 3: Cross multiply
    3,631.74x = 5,448.42 × 1,965.84
  4. Step 4: Simplify right side
    3,631.74x = 10,710,721.97
  5. Step 5: Solve for x
    x = 10,710,721.97/3,631.74
  6. Step 6: Final answer
    x = 2,949.20

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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.