Home / 2,939.85-4,408.32-1,457.37

Finding the Fourth Proportional to 2,939.85, 4,408.32 and 1,457.37

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Solution

The fourth proportional to 2,939.85, 4,408.32 and 1,457.37 is: 2,185.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,939.85 : 4,408.32 = 1,457.37 : x
  2. Step 2: Convert to fraction form
    2,939.85/4,408.32 = 1,457.37/x
  3. Step 3: Cross multiply
    2,939.85x = 4,408.32 × 1,457.37
  4. Step 4: Simplify right side
    2,939.85x = 6,424,553.32
  5. Step 5: Solve for x
    x = 6,424,553.32/2,939.85
  6. Step 6: Final answer
    x = 2,185.33

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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.