Home / 3,379.46-4,662.97-1,887.14

Finding the Fourth Proportional to 3,379.46, 4,662.97 and 1,887.14

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Solution

The fourth proportional to 3,379.46, 4,662.97 and 1,887.14 is: 2,603.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.46 : 4,662.97 = 1,887.14 : x
  2. Step 2: Convert to fraction form
    3,379.46/4,662.97 = 1,887.14/x
  3. Step 3: Cross multiply
    3,379.46x = 4,662.97 × 1,887.14
  4. Step 4: Simplify right side
    3,379.46x = 8,799,677.21
  5. Step 5: Solve for x
    x = 8,799,677.21/3,379.46
  6. Step 6: Final answer
    x = 2,603.87

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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.