Home / 1,811.79-2,717.68-1,166.62

Finding the Fourth Proportional to 1,811.79, 2,717.68 and 1,166.62

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Solution

The fourth proportional to 1,811.79, 2,717.68 and 1,166.62 is: 1,749.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,811.79 : 2,717.68 = 1,166.62 : x
  2. Step 2: Convert to fraction form
    1,811.79/2,717.68 = 1,166.62/x
  3. Step 3: Cross multiply
    1,811.79x = 2,717.68 × 1,166.62
  4. Step 4: Simplify right side
    1,811.79x = 3,170,499.84
  5. Step 5: Solve for x
    x = 3,170,499.84/1,811.79
  6. Step 6: Final answer
    x = 1,749.93

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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.