Home / 3,691.11-5,532.64-1,818.30

Finding the Fourth Proportional to 3,691.11, 5,532.64 and 1,818.30

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Solution

The fourth proportional to 3,691.11, 5,532.64 and 1,818.30 is: 2,725.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.11 : 5,532.64 = 1,818.30 : x
  2. Step 2: Convert to fraction form
    3,691.11/5,532.64 = 1,818.30/x
  3. Step 3: Cross multiply
    3,691.11x = 5,532.64 × 1,818.30
  4. Step 4: Simplify right side
    3,691.11x = 10,059,999.31
  5. Step 5: Solve for x
    x = 10,059,999.31/3,691.11
  6. Step 6: Final answer
    x = 2,725.47

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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.