Home / 3,691.33-5,535.18-1,225.33

Finding the Fourth Proportional to 3,691.33, 5,535.18 and 1,225.33

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Solution

The fourth proportional to 3,691.33, 5,535.18 and 1,225.33 is: 1,837.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.33 : 5,535.18 = 1,225.33 : x
  2. Step 2: Convert to fraction form
    3,691.33/5,535.18 = 1,225.33/x
  3. Step 3: Cross multiply
    3,691.33x = 5,535.18 × 1,225.33
  4. Step 4: Simplify right side
    3,691.33x = 6,782,408.27
  5. Step 5: Solve for x
    x = 6,782,408.27/3,691.33
  6. Step 6: Final answer
    x = 1,837.39

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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.