Home / 2,940.56-4,408.75-2,663.76

Finding the Fourth Proportional to 2,940.56, 4,408.75 and 2,663.76

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Solution

The fourth proportional to 2,940.56, 4,408.75 and 2,663.76 is: 3,993.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,940.56 : 4,408.75 = 2,663.76 : x
  2. Step 2: Convert to fraction form
    2,940.56/4,408.75 = 2,663.76/x
  3. Step 3: Cross multiply
    2,940.56x = 4,408.75 × 2,663.76
  4. Step 4: Simplify right side
    2,940.56x = 11,743,851.90
  5. Step 5: Solve for x
    x = 11,743,851.90/2,940.56
  6. Step 6: Final answer
    x = 3,993.75

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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.