Home / 3,099.29-4,640.78-2,604.47

Finding the Fourth Proportional to 3,099.29, 4,640.78 and 2,604.47

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Solution

The fourth proportional to 3,099.29, 4,640.78 and 2,604.47 is: 3,899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.29 : 4,640.78 = 2,604.47 : x
  2. Step 2: Convert to fraction form
    3,099.29/4,640.78 = 2,604.47/x
  3. Step 3: Cross multiply
    3,099.29x = 4,640.78 × 2,604.47
  4. Step 4: Simplify right side
    3,099.29x = 12,086,755.59
  5. Step 5: Solve for x
    x = 12,086,755.59/3,099.29
  6. Step 6: Final answer
    x = 3,899.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.