Home / 2,757.78-4,114.29-2,531.98

Finding the Fourth Proportional to 2,757.78, 4,114.29 and 2,531.98

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Solution

The fourth proportional to 2,757.78, 4,114.29 and 2,531.98 is: 3,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.78 : 4,114.29 = 2,531.98 : x
  2. Step 2: Convert to fraction form
    2,757.78/4,114.29 = 2,531.98/x
  3. Step 3: Cross multiply
    2,757.78x = 4,114.29 × 2,531.98
  4. Step 4: Simplify right side
    2,757.78x = 10,417,299.99
  5. Step 5: Solve for x
    x = 10,417,299.99/2,757.78
  6. Step 6: Final answer
    x = 3,777.42

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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.