Home / 3,397.89-5,069.81-2,982.36

Finding the Fourth Proportional to 3,397.89, 5,069.81 and 2,982.36

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Solution

The fourth proportional to 3,397.89, 5,069.81 and 2,982.36 is: 4,449.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.89 : 5,069.81 = 2,982.36 : x
  2. Step 2: Convert to fraction form
    3,397.89/5,069.81 = 2,982.36/x
  3. Step 3: Cross multiply
    3,397.89x = 5,069.81 × 2,982.36
  4. Step 4: Simplify right side
    3,397.89x = 15,119,998.55
  5. Step 5: Solve for x
    x = 15,119,998.55/3,397.89
  6. Step 6: Final answer
    x = 4,449.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.