Home / 2,553.55-3,830.21-1,771.24

Finding the Fourth Proportional to 2,553.55, 3,830.21 and 1,771.24

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Solution

The fourth proportional to 2,553.55, 3,830.21 and 1,771.24 is: 2,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.55 : 3,830.21 = 1,771.24 : x
  2. Step 2: Convert to fraction form
    2,553.55/3,830.21 = 1,771.24/x
  3. Step 3: Cross multiply
    2,553.55x = 3,830.21 × 1,771.24
  4. Step 4: Simplify right side
    2,553.55x = 6,784,232.31
  5. Step 5: Solve for x
    x = 6,784,232.31/2,553.55
  6. Step 6: Final answer
    x = 2,656.78

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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.