Home / 3,412.41-5,119.52-1,659.16

Finding the Fourth Proportional to 3,412.41, 5,119.52 and 1,659.16

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Solution

The fourth proportional to 3,412.41, 5,119.52 and 1,659.16 is: 2,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.41 : 5,119.52 = 1,659.16 : x
  2. Step 2: Convert to fraction form
    3,412.41/5,119.52 = 1,659.16/x
  3. Step 3: Cross multiply
    3,412.41x = 5,119.52 × 1,659.16
  4. Step 4: Simplify right side
    3,412.41x = 8,494,102.80
  5. Step 5: Solve for x
    x = 8,494,102.80/3,412.41
  6. Step 6: Final answer
    x = 2,489.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.