Home / 3,639.26-5,022.73-2,223.77

Finding the Fourth Proportional to 3,639.26, 5,022.73 and 2,223.77

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Solution

The fourth proportional to 3,639.26, 5,022.73 and 2,223.77 is: 3,069.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.26 : 5,022.73 = 2,223.77 : x
  2. Step 2: Convert to fraction form
    3,639.26/5,022.73 = 2,223.77/x
  3. Step 3: Cross multiply
    3,639.26x = 5,022.73 × 2,223.77
  4. Step 4: Simplify right side
    3,639.26x = 11,169,396.29
  5. Step 5: Solve for x
    x = 11,169,396.29/3,639.26
  6. Step 6: Final answer
    x = 3,069.14

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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.