Home / 2,789.19-3,848.81-1,610.64

Finding the Fourth Proportional to 2,789.19, 3,848.81 and 1,610.64

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Solution

The fourth proportional to 2,789.19, 3,848.81 and 1,610.64 is: 2,222.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.19 : 3,848.81 = 1,610.64 : x
  2. Step 2: Convert to fraction form
    2,789.19/3,848.81 = 1,610.64/x
  3. Step 3: Cross multiply
    2,789.19x = 3,848.81 × 1,610.64
  4. Step 4: Simplify right side
    2,789.19x = 6,199,039.29
  5. Step 5: Solve for x
    x = 6,199,039.29/2,789.19
  6. Step 6: Final answer
    x = 2,222.52

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.