Home / 3,640.36-5,023.62-2,223.56

Finding the Fourth Proportional to 3,640.36, 5,023.62 and 2,223.56

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Solution

The fourth proportional to 3,640.36, 5,023.62 and 2,223.56 is: 3,068.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,640.36 : 5,023.62 = 2,223.56 : x
  2. Step 2: Convert to fraction form
    3,640.36/5,023.62 = 2,223.56/x
  3. Step 3: Cross multiply
    3,640.36x = 5,023.62 × 2,223.56
  4. Step 4: Simplify right side
    3,640.36x = 11,170,320.49
  5. Step 5: Solve for x
    x = 11,170,320.49/3,640.36
  6. Step 6: Final answer
    x = 3,068.47

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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.