Home / 2,939.96-4,408.61-2,114.77

Finding the Fourth Proportional to 2,939.96, 4,408.61 and 2,114.77

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Solution

The fourth proportional to 2,939.96, 4,408.61 and 2,114.77 is: 3,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.96 : 4,408.61 = 2,114.77 : x
  2. Step 2: Convert to fraction form
    2,939.96/4,408.61 = 2,114.77/x
  3. Step 3: Cross multiply
    2,939.96x = 4,408.61 × 2,114.77
  4. Step 4: Simplify right side
    2,939.96x = 9,323,174.57
  5. Step 5: Solve for x
    x = 9,323,174.57/2,939.96
  6. Step 6: Final answer
    x = 3,171.20

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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.