Home / 2,789.13-3,848.56-1,609.97

Finding the Fourth Proportional to 2,789.13, 3,848.56 and 1,609.97

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Solution

The fourth proportional to 2,789.13, 3,848.56 and 1,609.97 is: 2,221.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.13 : 3,848.56 = 1,609.97 : x
  2. Step 2: Convert to fraction form
    2,789.13/3,848.56 = 1,609.97/x
  3. Step 3: Cross multiply
    2,789.13x = 3,848.56 × 1,609.97
  4. Step 4: Simplify right side
    2,789.13x = 6,196,066.14
  5. Step 5: Solve for x
    x = 6,196,066.14/2,789.13
  6. Step 6: Final answer
    x = 2,221.51

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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.