Home / 3,269.69-4,513.08-2,221.75

Finding the Fourth Proportional to 3,269.69, 4,513.08 and 2,221.75

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Solution

The fourth proportional to 3,269.69, 4,513.08 and 2,221.75 is: 3,066.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.69 : 4,513.08 = 2,221.75 : x
  2. Step 2: Convert to fraction form
    3,269.69/4,513.08 = 2,221.75/x
  3. Step 3: Cross multiply
    3,269.69x = 4,513.08 × 2,221.75
  4. Step 4: Simplify right side
    3,269.69x = 10,026,935.49
  5. Step 5: Solve for x
    x = 10,026,935.49/3,269.69
  6. Step 6: Final answer
    x = 3,066.63

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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.