Home / 3,511.85-5,269.59-1,563.62

Finding the Fourth Proportional to 3,511.85, 5,269.59 and 1,563.62

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Solution

The fourth proportional to 3,511.85, 5,269.59 and 1,563.62 is: 2,346.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.85 : 5,269.59 = 1,563.62 : x
  2. Step 2: Convert to fraction form
    3,511.85/5,269.59 = 1,563.62/x
  3. Step 3: Cross multiply
    3,511.85x = 5,269.59 × 1,563.62
  4. Step 4: Simplify right side
    3,511.85x = 8,239,609.97
  5. Step 5: Solve for x
    x = 8,239,609.97/3,511.85
  6. Step 6: Final answer
    x = 2,346.23

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1.5x scale

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.