Home / 3,269.70-4,511.34-2,091.15

Finding the Fourth Proportional to 3,269.70, 4,511.34 and 2,091.15

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Solution

The fourth proportional to 3,269.70, 4,511.34 and 2,091.15 is: 2,885.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.70 : 4,511.34 = 2,091.15 : x
  2. Step 2: Convert to fraction form
    3,269.70/4,511.34 = 2,091.15/x
  3. Step 3: Cross multiply
    3,269.70x = 4,511.34 × 2,091.15
  4. Step 4: Simplify right side
    3,269.70x = 9,433,888.64
  5. Step 5: Solve for x
    x = 9,433,888.64/3,269.70
  6. Step 6: Final answer
    x = 2,885.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.