Home / 1,835.96-2,749.31-1,217.79

Finding the Fourth Proportional to 1,835.96, 2,749.31 and 1,217.79

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Solution

The fourth proportional to 1,835.96, 2,749.31 and 1,217.79 is: 1,823.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,835.96 : 2,749.31 = 1,217.79 : x
  2. Step 2: Convert to fraction form
    1,835.96/2,749.31 = 1,217.79/x
  3. Step 3: Cross multiply
    1,835.96x = 2,749.31 × 1,217.79
  4. Step 4: Simplify right side
    1,835.96x = 3,348,076.14
  5. Step 5: Solve for x
    x = 3,348,076.14/1,835.96
  6. Step 6: Final answer
    x = 1,823.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.