Home / 2,223.30-3,067.38-1,383.51

Finding the Fourth Proportional to 2,223.30, 3,067.38 and 1,383.51

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Solution

The fourth proportional to 2,223.30, 3,067.38 and 1,383.51 is: 1,908.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,223.30 : 3,067.38 = 1,383.51 : x
  2. Step 2: Convert to fraction form
    2,223.30/3,067.38 = 1,383.51/x
  3. Step 3: Cross multiply
    2,223.30x = 3,067.38 × 1,383.51
  4. Step 4: Simplify right side
    2,223.30x = 4,243,750.90
  5. Step 5: Solve for x
    x = 4,243,750.90/2,223.30
  6. Step 6: Final answer
    x = 1,908.76

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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.