Home / 2,674.18-4,015.32-2,182.78

Finding the Fourth Proportional to 2,674.18, 4,015.32 and 2,182.78

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Solution

The fourth proportional to 2,674.18, 4,015.32 and 2,182.78 is: 3,277.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,674.18 : 4,015.32 = 2,182.78 : x
  2. Step 2: Convert to fraction form
    2,674.18/4,015.32 = 2,182.78/x
  3. Step 3: Cross multiply
    2,674.18x = 4,015.32 × 2,182.78
  4. Step 4: Simplify right side
    2,674.18x = 8,764,560.19
  5. Step 5: Solve for x
    x = 8,764,560.19/2,674.18
  6. Step 6: Final answer
    x = 3,277.48

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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.