Home / 3,511.14-5,269.05-1,319.94

Finding the Fourth Proportional to 3,511.14, 5,269.05 and 1,319.94

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Solution

The fourth proportional to 3,511.14, 5,269.05 and 1,319.94 is: 1,980.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.14 : 5,269.05 = 1,319.94 : x
  2. Step 2: Convert to fraction form
    3,511.14/5,269.05 = 1,319.94/x
  3. Step 3: Cross multiply
    3,511.14x = 5,269.05 × 1,319.94
  4. Step 4: Simplify right side
    3,511.14x = 6,954,829.86
  5. Step 5: Solve for x
    x = 6,954,829.86/3,511.14
  6. Step 6: Final answer
    x = 1,980.79

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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.