Home / 3,771.24-5,655.97-1,431.49

Finding the Fourth Proportional to 3,771.24, 5,655.97 and 1,431.49

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Solution

The fourth proportional to 3,771.24, 5,655.97 and 1,431.49 is: 2,146.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.24 : 5,655.97 = 1,431.49 : x
  2. Step 2: Convert to fraction form
    3,771.24/5,655.97 = 1,431.49/x
  3. Step 3: Cross multiply
    3,771.24x = 5,655.97 × 1,431.49
  4. Step 4: Simplify right side
    3,771.24x = 8,096,464.50
  5. Step 5: Solve for x
    x = 8,096,464.50/3,771.24
  6. Step 6: Final answer
    x = 2,146.90

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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.