Home / 2,765.79-4,148.66-2,277.81

Finding the Fourth Proportional to 2,765.79, 4,148.66 and 2,277.81

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Solution

The fourth proportional to 2,765.79, 4,148.66 and 2,277.81 is: 3,416.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765.79 : 4,148.66 = 2,277.81 : x
  2. Step 2: Convert to fraction form
    2,765.79/4,148.66 = 2,277.81/x
  3. Step 3: Cross multiply
    2,765.79x = 4,148.66 × 2,277.81
  4. Step 4: Simplify right side
    2,765.79x = 9,449,847.85
  5. Step 5: Solve for x
    x = 9,449,847.85/2,765.79
  6. Step 6: Final answer
    x = 3,416.69

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1.5x scale

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.