Home / 2,773.47-4,155.77-1,942.10

Finding the Fourth Proportional to 2,773.47, 4,155.77 and 1,942.10

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Solution

The fourth proportional to 2,773.47, 4,155.77 and 1,942.10 is: 2,910.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,773.47 : 4,155.77 = 1,942.10 : x
  2. Step 2: Convert to fraction form
    2,773.47/4,155.77 = 1,942.10/x
  3. Step 3: Cross multiply
    2,773.47x = 4,155.77 × 1,942.10
  4. Step 4: Simplify right side
    2,773.47x = 8,070,920.92
  5. Step 5: Solve for x
    x = 8,070,920.92/2,773.47
  6. Step 6: Final answer
    x = 2,910.04

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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.