Home / 2,794.28-4,191.96-1,684.76

Finding the Fourth Proportional to 2,794.28, 4,191.96 and 1,684.76

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Solution

The fourth proportional to 2,794.28, 4,191.96 and 1,684.76 is: 2,527.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.28 : 4,191.96 = 1,684.76 : x
  2. Step 2: Convert to fraction form
    2,794.28/4,191.96 = 1,684.76/x
  3. Step 3: Cross multiply
    2,794.28x = 4,191.96 × 1,684.76
  4. Step 4: Simplify right side
    2,794.28x = 7,062,446.53
  5. Step 5: Solve for x
    x = 7,062,446.53/2,794.28
  6. Step 6: Final answer
    x = 2,527.47

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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.