Home / 2,213.36-3,320.06-752.54

Finding the Fourth Proportional to 2,213.36, 3,320.06 and 752.54

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Solution

The fourth proportional to 2,213.36, 3,320.06 and 752.54 is: 1,128.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,213.36 : 3,320.06 = 752.54 : x
  2. Step 2: Convert to fraction form
    2,213.36/3,320.06 = 752.54/x
  3. Step 3: Cross multiply
    2,213.36x = 3,320.06 × 752.54
  4. Step 4: Simplify right side
    2,213.36x = 2,498,477.95
  5. Step 5: Solve for x
    x = 2,498,477.95/2,213.36
  6. Step 6: Final answer
    x = 1,128.82

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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.