Home / 2,771.86-4,155.60-1,600.54

Finding the Fourth Proportional to 2,771.86, 4,155.60 and 1,600.54

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Solution

The fourth proportional to 2,771.86, 4,155.60 and 1,600.54 is: 2,399.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.86 : 4,155.60 = 1,600.54 : x
  2. Step 2: Convert to fraction form
    2,771.86/4,155.60 = 1,600.54/x
  3. Step 3: Cross multiply
    2,771.86x = 4,155.60 × 1,600.54
  4. Step 4: Simplify right side
    2,771.86x = 6,651,204.02
  5. Step 5: Solve for x
    x = 6,651,204.02/2,771.86
  6. Step 6: Final answer
    x = 2,399.55

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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.