Home / 3,508.38-4,839.45-2,091.12

Finding the Fourth Proportional to 3,508.38, 4,839.45 and 2,091.12

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Solution

The fourth proportional to 3,508.38, 4,839.45 and 2,091.12 is: 2,884.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,508.38 : 4,839.45 = 2,091.12 : x
  2. Step 2: Convert to fraction form
    3,508.38/4,839.45 = 2,091.12/x
  3. Step 3: Cross multiply
    3,508.38x = 4,839.45 × 2,091.12
  4. Step 4: Simplify right side
    3,508.38x = 10,119,880.99
  5. Step 5: Solve for x
    x = 10,119,880.99/3,508.38
  6. Step 6: Final answer
    x = 2,884.49

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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.