Home / 3,060.86-4,224.00-1,663.61

Finding the Fourth Proportional to 3,060.86, 4,224.00 and 1,663.61

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Solution

The fourth proportional to 3,060.86, 4,224.00 and 1,663.61 is: 2,295.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.86 : 4,224.00 = 1,663.61 : x
  2. Step 2: Convert to fraction form
    3,060.86/4,224.00 = 1,663.61/x
  3. Step 3: Cross multiply
    3,060.86x = 4,224.00 × 1,663.61
  4. Step 4: Simplify right side
    3,060.86x = 7,027,084.48
  5. Step 5: Solve for x
    x = 7,027,084.48/3,060.86
  6. Step 6: Final answer
    x = 2,295.79

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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.