Home / 2,789.14-3,848.70-1,610.60

Finding the Fourth Proportional to 2,789.14, 3,848.70 and 1,610.60

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Solution

The fourth proportional to 2,789.14, 3,848.70 and 1,610.60 is: 2,222.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.14 : 3,848.70 = 1,610.60 : x
  2. Step 2: Convert to fraction form
    2,789.14/3,848.70 = 1,610.60/x
  3. Step 3: Cross multiply
    2,789.14x = 3,848.70 × 1,610.60
  4. Step 4: Simplify right side
    2,789.14x = 6,198,716.22
  5. Step 5: Solve for x
    x = 6,198,716.22/2,789.14
  6. Step 6: Final answer
    x = 2,222.45

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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.