Home / 3,040.91-4,199.45-2,099.12

Finding the Fourth Proportional to 3,040.91, 4,199.45 and 2,099.12

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Solution

The fourth proportional to 3,040.91, 4,199.45 and 2,099.12 is: 2,898.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.91 : 4,199.45 = 2,099.12 : x
  2. Step 2: Convert to fraction form
    3,040.91/4,199.45 = 2,099.12/x
  3. Step 3: Cross multiply
    3,040.91x = 4,199.45 × 2,099.12
  4. Step 4: Simplify right side
    3,040.91x = 8,815,117.99
  5. Step 5: Solve for x
    x = 8,815,117.99/3,040.91
  6. Step 6: Final answer
    x = 2,898.85

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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.