Home / 3,639.93-5,021.87-2,223.10

Finding the Fourth Proportional to 3,639.93, 5,021.87 and 2,223.10

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Solution

The fourth proportional to 3,639.93, 5,021.87 and 2,223.10 is: 3,067.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639.93 : 5,021.87 = 2,223.10 : x
  2. Step 2: Convert to fraction form
    3,639.93/5,021.87 = 2,223.10/x
  3. Step 3: Cross multiply
    3,639.93x = 5,021.87 × 2,223.10
  4. Step 4: Simplify right side
    3,639.93x = 11,164,119.20
  5. Step 5: Solve for x
    x = 11,164,119.20/3,639.93
  6. Step 6: Final answer
    x = 3,067.12

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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.