Home / 2,794.60-4,191.90-2,612.35

Finding the Fourth Proportional to 2,794.60, 4,191.90 and 2,612.35

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Solution

The fourth proportional to 2,794.60, 4,191.90 and 2,612.35 is: 3,918.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,794.60 : 4,191.90 = 2,612.35 : x
  2. Step 2: Convert to fraction form
    2,794.60/4,191.90 = 2,612.35/x
  3. Step 3: Cross multiply
    2,794.60x = 4,191.90 × 2,612.35
  4. Step 4: Simplify right side
    2,794.60x = 10,950,709.97
  5. Step 5: Solve for x
    x = 10,950,709.97/2,794.60
  6. Step 6: Final answer
    x = 3,918.53

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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.