Home / 3,721.09-5,582.12-1,966.17

Finding the Fourth Proportional to 3,721.09, 5,582.12 and 1,966.17

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Solution

The fourth proportional to 3,721.09, 5,582.12 and 1,966.17 is: 2,949.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.09 : 5,582.12 = 1,966.17 : x
  2. Step 2: Convert to fraction form
    3,721.09/5,582.12 = 1,966.17/x
  3. Step 3: Cross multiply
    3,721.09x = 5,582.12 × 1,966.17
  4. Step 4: Simplify right side
    3,721.09x = 10,975,396.88
  5. Step 5: Solve for x
    x = 10,975,396.88/3,721.09
  6. Step 6: Final answer
    x = 2,949.51

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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.