Home / 3,691.09-5,535.50-1,225.42

Finding the Fourth Proportional to 3,691.09, 5,535.50 and 1,225.42

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Solution

The fourth proportional to 3,691.09, 5,535.50 and 1,225.42 is: 1,837.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,691.09 : 5,535.50 = 1,225.42 : x
  2. Step 2: Convert to fraction form
    3,691.09/5,535.50 = 1,225.42/x
  3. Step 3: Cross multiply
    3,691.09x = 5,535.50 × 1,225.42
  4. Step 4: Simplify right side
    3,691.09x = 6,783,306.28
  5. Step 5: Solve for x
    x = 6,783,306.28/3,691.09
  6. Step 6: Final answer
    x = 1,837.75

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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.