Home / 3,190.66-4,402.46-1,864.11

Finding the Fourth Proportional to 3,190.66, 4,402.46 and 1,864.11

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Solution

The fourth proportional to 3,190.66, 4,402.46 and 1,864.11 is: 2,572.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.66 : 4,402.46 = 1,864.11 : x
  2. Step 2: Convert to fraction form
    3,190.66/4,402.46 = 1,864.11/x
  3. Step 3: Cross multiply
    3,190.66x = 4,402.46 × 1,864.11
  4. Step 4: Simplify right side
    3,190.66x = 8,206,659.03
  5. Step 5: Solve for x
    x = 8,206,659.03/3,190.66
  6. Step 6: Final answer
    x = 2,572.09

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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.