Home / 3,489.06-4,814.90-1,996.94

Finding the Fourth Proportional to 3,489.06, 4,814.90 and 1,996.94

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Solution

The fourth proportional to 3,489.06, 4,814.90 and 1,996.94 is: 2,755.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.06 : 4,814.90 = 1,996.94 : x
  2. Step 2: Convert to fraction form
    3,489.06/4,814.90 = 1,996.94/x
  3. Step 3: Cross multiply
    3,489.06x = 4,814.90 × 1,996.94
  4. Step 4: Simplify right side
    3,489.06x = 9,615,056.42
  5. Step 5: Solve for x
    x = 9,615,056.42/3,489.06
  6. Step 6: Final answer
    x = 2,755.77

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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.