Home / 3,884.20-5,827.21-1,110.79

Finding the Fourth Proportional to 3,884.20, 5,827.21 and 1,110.79

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Solution

The fourth proportional to 3,884.20, 5,827.21 and 1,110.79 is: 1,666.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.20 : 5,827.21 = 1,110.79 : x
  2. Step 2: Convert to fraction form
    3,884.20/5,827.21 = 1,110.79/x
  3. Step 3: Cross multiply
    3,884.20x = 5,827.21 × 1,110.79
  4. Step 4: Simplify right side
    3,884.20x = 6,472,811.10
  5. Step 5: Solve for x
    x = 6,472,811.10/3,884.20
  6. Step 6: Final answer
    x = 1,666.45

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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.