Home / 2,867.70-4,296.21-2,408.46

Finding the Fourth Proportional to 2,867.70, 4,296.21 and 2,408.46

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Solution

The fourth proportional to 2,867.70, 4,296.21 and 2,408.46 is: 3,608.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.70 : 4,296.21 = 2,408.46 : x
  2. Step 2: Convert to fraction form
    2,867.70/4,296.21 = 2,408.46/x
  3. Step 3: Cross multiply
    2,867.70x = 4,296.21 × 2,408.46
  4. Step 4: Simplify right side
    2,867.70x = 10,347,249.94
  5. Step 5: Solve for x
    x = 10,347,249.94/2,867.70
  6. Step 6: Final answer
    x = 3,608.21

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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.