Home / 2,789.05-3,848.85-1,610.50

Finding the Fourth Proportional to 2,789.05, 3,848.85 and 1,610.50

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Solution

The fourth proportional to 2,789.05, 3,848.85 and 1,610.50 is: 2,222.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.05 : 3,848.85 = 1,610.50 : x
  2. Step 2: Convert to fraction form
    2,789.05/3,848.85 = 1,610.50/x
  3. Step 3: Cross multiply
    2,789.05x = 3,848.85 × 1,610.50
  4. Step 4: Simplify right side
    2,789.05x = 6,198,572.93
  5. Step 5: Solve for x
    x = 6,198,572.93/2,789.05
  6. Step 6: Final answer
    x = 2,222.47

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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.