Home / 3,675.63-5,511.39-1,209.81

Finding the Fourth Proportional to 3,675.63, 5,511.39 and 1,209.81

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Solution

The fourth proportional to 3,675.63, 5,511.39 and 1,209.81 is: 1,814.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,675.63 : 5,511.39 = 1,209.81 : x
  2. Step 2: Convert to fraction form
    3,675.63/5,511.39 = 1,209.81/x
  3. Step 3: Cross multiply
    3,675.63x = 5,511.39 × 1,209.81
  4. Step 4: Simplify right side
    3,675.63x = 6,667,734.74
  5. Step 5: Solve for x
    x = 6,667,734.74/3,675.63
  6. Step 6: Final answer
    x = 1,814.04

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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.