Home / 3,379.57-4,663.64-1,887.19

Finding the Fourth Proportional to 3,379.57, 4,663.64 and 1,887.19

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Solution

The fourth proportional to 3,379.57, 4,663.64 and 1,887.19 is: 2,604.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.57 : 4,663.64 = 1,887.19 : x
  2. Step 2: Convert to fraction form
    3,379.57/4,663.64 = 1,887.19/x
  3. Step 3: Cross multiply
    3,379.57x = 4,663.64 × 1,887.19
  4. Step 4: Simplify right side
    3,379.57x = 8,801,167.83
  5. Step 5: Solve for x
    x = 8,801,167.83/3,379.57
  6. Step 6: Final answer
    x = 2,604.23

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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.