Home / 3,191.38-4,403.91-2,013.10

Finding the Fourth Proportional to 3,191.38, 4,403.91 and 2,013.10

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Solution

The fourth proportional to 3,191.38, 4,403.91 and 2,013.10 is: 2,777.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,191.38 : 4,403.91 = 2,013.10 : x
  2. Step 2: Convert to fraction form
    3,191.38/4,403.91 = 2,013.10/x
  3. Step 3: Cross multiply
    3,191.38x = 4,403.91 × 2,013.10
  4. Step 4: Simplify right side
    3,191.38x = 8,865,511.22
  5. Step 5: Solve for x
    x = 8,865,511.22/3,191.38
  6. Step 6: Final answer
    x = 2,777.96

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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.