Home / 3,610.26-5,412.87-1,269.72

Finding the Fourth Proportional to 3,610.26, 5,412.87 and 1,269.72

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Solution

The fourth proportional to 3,610.26, 5,412.87 and 1,269.72 is: 1,903.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.26 : 5,412.87 = 1,269.72 : x
  2. Step 2: Convert to fraction form
    3,610.26/5,412.87 = 1,269.72/x
  3. Step 3: Cross multiply
    3,610.26x = 5,412.87 × 1,269.72
  4. Step 4: Simplify right side
    3,610.26x = 6,872,829.30
  5. Step 5: Solve for x
    x = 6,872,829.30/3,610.26
  6. Step 6: Final answer
    x = 1,903.69

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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.