Home / 3,771.21-5,666.04-3,561.39

Finding the Fourth Proportional to 3,771.21, 5,666.04 and 3,561.39

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Solution

The fourth proportional to 3,771.21, 5,666.04 and 3,561.39 is: 5,350.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771.21 : 5,666.04 = 3,561.39 : x
  2. Step 2: Convert to fraction form
    3,771.21/5,666.04 = 3,561.39/x
  3. Step 3: Cross multiply
    3,771.21x = 5,666.04 × 3,561.39
  4. Step 4: Simplify right side
    3,771.21x = 20,178,989.12
  5. Step 5: Solve for x
    x = 20,178,989.12/3,771.21
  6. Step 6: Final answer
    x = 5,350.80

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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.