Home / 2,025.20-2,793.96-1,277.84

Finding the Fourth Proportional to 2,025.20, 2,793.96 and 1,277.84

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Solution

The fourth proportional to 2,025.20, 2,793.96 and 1,277.84 is: 1,762.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,025.20 : 2,793.96 = 1,277.84 : x
  2. Step 2: Convert to fraction form
    2,025.20/2,793.96 = 1,277.84/x
  3. Step 3: Cross multiply
    2,025.20x = 2,793.96 × 1,277.84
  4. Step 4: Simplify right side
    2,025.20x = 3,570,233.85
  5. Step 5: Solve for x
    x = 3,570,233.85/2,025.20
  6. Step 6: Final answer
    x = 1,762.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.