Home / 2,789.87-4,184.55-1,693.94

Finding the Fourth Proportional to 2,789.87, 4,184.55 and 1,693.94

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Solution

The fourth proportional to 2,789.87, 4,184.55 and 1,693.94 is: 2,540.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,789.87 : 4,184.55 = 1,693.94 : x
  2. Step 2: Convert to fraction form
    2,789.87/4,184.55 = 1,693.94/x
  3. Step 3: Cross multiply
    2,789.87x = 4,184.55 × 1,693.94
  4. Step 4: Simplify right side
    2,789.87x = 7,088,355.70
  5. Step 5: Solve for x
    x = 7,088,355.70/2,789.87
  6. Step 6: Final answer
    x = 2,540.75

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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.