Home / 3,379.87-4,664.14-1,887.85

Finding the Fourth Proportional to 3,379.87, 4,664.14 and 1,887.85

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Solution

The fourth proportional to 3,379.87, 4,664.14 and 1,887.85 is: 2,605.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.87 : 4,664.14 = 1,887.85 : x
  2. Step 2: Convert to fraction form
    3,379.87/4,664.14 = 1,887.85/x
  3. Step 3: Cross multiply
    3,379.87x = 4,664.14 × 1,887.85
  4. Step 4: Simplify right side
    3,379.87x = 8,805,196.70
  5. Step 5: Solve for x
    x = 8,805,196.70/3,379.87
  6. Step 6: Final answer
    x = 2,605.19

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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.