Home / 3,379.96-4,663.91-1,887.94

Finding the Fourth Proportional to 3,379.96, 4,663.91 and 1,887.94

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Solution

The fourth proportional to 3,379.96, 4,663.91 and 1,887.94 is: 2,605.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.96 : 4,663.91 = 1,887.94 : x
  2. Step 2: Convert to fraction form
    3,379.96/4,663.91 = 1,887.94/x
  3. Step 3: Cross multiply
    3,379.96x = 4,663.91 × 1,887.94
  4. Step 4: Simplify right side
    3,379.96x = 8,805,192.80
  5. Step 5: Solve for x
    x = 8,805,192.80/3,379.96
  6. Step 6: Final answer
    x = 2,605.12

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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.