Home / 3,416.14-4,714.48-1,999.86

Finding the Fourth Proportional to 3,416.14, 4,714.48 and 1,999.86

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Solution

The fourth proportional to 3,416.14, 4,714.48 and 1,999.86 is: 2,759.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,416.14 : 4,714.48 = 1,999.86 : x
  2. Step 2: Convert to fraction form
    3,416.14/4,714.48 = 1,999.86/x
  3. Step 3: Cross multiply
    3,416.14x = 4,714.48 × 1,999.86
  4. Step 4: Simplify right side
    3,416.14x = 9,428,299.97
  5. Step 5: Solve for x
    x = 9,428,299.97/3,416.14
  6. Step 6: Final answer
    x = 2,759.93

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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.