Home / 2,022.39-2,789.91-1,235.07

Finding the Fourth Proportional to 2,022.39, 2,789.91 and 1,235.07

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Solution

The fourth proportional to 2,022.39, 2,789.91 and 1,235.07 is: 1,703.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,022.39 : 2,789.91 = 1,235.07 : x
  2. Step 2: Convert to fraction form
    2,022.39/2,789.91 = 1,235.07/x
  3. Step 3: Cross multiply
    2,022.39x = 2,789.91 × 1,235.07
  4. Step 4: Simplify right side
    2,022.39x = 3,445,734.14
  5. Step 5: Solve for x
    x = 3,445,734.14/2,022.39
  6. Step 6: Final answer
    x = 1,703.79

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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.