Home / 2,022.29-2,789.03-1,393.84

Finding the Fourth Proportional to 2,022.29, 2,789.03 and 1,393.84

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Solution

The fourth proportional to 2,022.29, 2,789.03 and 1,393.84 is: 1,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.29 : 2,789.03 = 1,393.84 : x
  2. Step 2: Convert to fraction form
    2,022.29/2,789.03 = 1,393.84/x
  3. Step 3: Cross multiply
    2,022.29x = 2,789.03 × 1,393.84
  4. Step 4: Simplify right side
    2,022.29x = 3,887,440.66
  5. Step 5: Solve for x
    x = 3,887,440.66/2,022.29
  6. Step 6: Final answer
    x = 1,922.30

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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.