Home / 3,511.43-5,269.87-1,322.15

Finding the Fourth Proportional to 3,511.43, 5,269.87 and 1,322.15

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Solution

The fourth proportional to 3,511.43, 5,269.87 and 1,322.15 is: 1,984.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.43 : 5,269.87 = 1,322.15 : x
  2. Step 2: Convert to fraction form
    3,511.43/5,269.87 = 1,322.15/x
  3. Step 3: Cross multiply
    3,511.43x = 5,269.87 × 1,322.15
  4. Step 4: Simplify right side
    3,511.43x = 6,967,552.01
  5. Step 5: Solve for x
    x = 6,967,552.01/3,511.43
  6. Step 6: Final answer
    x = 1,984.25

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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.