Home / 2,789.33-3,848.45-1,610.19

Finding the Fourth Proportional to 2,789.33, 3,848.45 and 1,610.19

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Solution

The fourth proportional to 2,789.33, 3,848.45 and 1,610.19 is: 2,221.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.33 : 3,848.45 = 1,610.19 : x
  2. Step 2: Convert to fraction form
    2,789.33/3,848.45 = 1,610.19/x
  3. Step 3: Cross multiply
    2,789.33x = 3,848.45 × 1,610.19
  4. Step 4: Simplify right side
    2,789.33x = 6,196,727.65
  5. Step 5: Solve for x
    x = 6,196,727.65/2,789.33
  6. Step 6: Final answer
    x = 2,221.59

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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.