Home / 2,771.16-4,157.44-2,278.38

Finding the Fourth Proportional to 2,771.16, 4,157.44 and 2,278.38

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Solution

The fourth proportional to 2,771.16, 4,157.44 and 2,278.38 is: 3,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,771.16 : 4,157.44 = 2,278.38 : x
  2. Step 2: Convert to fraction form
    2,771.16/4,157.44 = 2,278.38/x
  3. Step 3: Cross multiply
    2,771.16x = 4,157.44 × 2,278.38
  4. Step 4: Simplify right side
    2,771.16x = 9,472,228.15
  5. Step 5: Solve for x
    x = 9,472,228.15/2,771.16
  6. Step 6: Final answer
    x = 3,418.15

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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.