Home / 2,711.93-4,068.70-1,922.81

Finding the Fourth Proportional to 2,711.93, 4,068.70 and 1,922.81

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Solution

The fourth proportional to 2,711.93, 4,068.70 and 1,922.81 is: 2,884.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.93 : 4,068.70 = 1,922.81 : x
  2. Step 2: Convert to fraction form
    2,711.93/4,068.70 = 1,922.81/x
  3. Step 3: Cross multiply
    2,711.93x = 4,068.70 × 1,922.81
  4. Step 4: Simplify right side
    2,711.93x = 7,823,311.90
  5. Step 5: Solve for x
    x = 7,823,311.90/2,711.93
  6. Step 6: Final answer
    x = 2,884.78

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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.