Home / 3,379.69-4,663.97-1,887.61

Finding the Fourth Proportional to 3,379.69, 4,663.97 and 1,887.61

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Solution

The fourth proportional to 3,379.69, 4,663.97 and 1,887.61 is: 2,604.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.69 : 4,663.97 = 1,887.61 : x
  2. Step 2: Convert to fraction form
    3,379.69/4,663.97 = 1,887.61/x
  3. Step 3: Cross multiply
    3,379.69x = 4,663.97 × 1,887.61
  4. Step 4: Simplify right side
    3,379.69x = 8,803,723.65
  5. Step 5: Solve for x
    x = 8,803,723.65/3,379.69
  6. Step 6: Final answer
    x = 2,604.89

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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.