Home / 3,690.35-5,535.85-1,225.19

Finding the Fourth Proportional to 3,690.35, 5,535.85 and 1,225.19

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Solution

The fourth proportional to 3,690.35, 5,535.85 and 1,225.19 is: 1,837.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.35 : 5,535.85 = 1,225.19 : x
  2. Step 2: Convert to fraction form
    3,690.35/5,535.85 = 1,225.19/x
  3. Step 3: Cross multiply
    3,690.35x = 5,535.85 × 1,225.19
  4. Step 4: Simplify right side
    3,690.35x = 6,782,468.06
  5. Step 5: Solve for x
    x = 6,782,468.06/3,690.35
  6. Step 6: Final answer
    x = 1,837.89

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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.