Home / 3,402.36-5,101.96-1,997.20

Finding the Fourth Proportional to 3,402.36, 5,101.96 and 1,997.20

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Solution

The fourth proportional to 3,402.36, 5,101.96 and 1,997.20 is: 2,994.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,402.36 : 5,101.96 = 1,997.20 : x
  2. Step 2: Convert to fraction form
    3,402.36/5,101.96 = 1,997.20/x
  3. Step 3: Cross multiply
    3,402.36x = 5,101.96 × 1,997.20
  4. Step 4: Simplify right side
    3,402.36x = 10,189,634.51
  5. Step 5: Solve for x
    x = 10,189,634.51/3,402.36
  6. Step 6: Final answer
    x = 2,994.87

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1.5x scale

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.