Home / 2,778.99-4,144.38-2,370.75

Finding the Fourth Proportional to 2,778.99, 4,144.38 and 2,370.75

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Solution

The fourth proportional to 2,778.99, 4,144.38 and 2,370.75 is: 3,535.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778.99 : 4,144.38 = 2,370.75 : x
  2. Step 2: Convert to fraction form
    2,778.99/4,144.38 = 2,370.75/x
  3. Step 3: Cross multiply
    2,778.99x = 4,144.38 × 2,370.75
  4. Step 4: Simplify right side
    2,778.99x = 9,825,288.89
  5. Step 5: Solve for x
    x = 9,825,288.89/2,778.99
  6. Step 6: Final answer
    x = 3,535.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.