Home / 3,351.15-5,028.21-1,161.45

Finding the Fourth Proportional to 3,351.15, 5,028.21 and 1,161.45

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Solution

The fourth proportional to 3,351.15, 5,028.21 and 1,161.45 is: 1,742.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.15 : 5,028.21 = 1,161.45 : x
  2. Step 2: Convert to fraction form
    3,351.15/5,028.21 = 1,161.45/x
  3. Step 3: Cross multiply
    3,351.15x = 5,028.21 × 1,161.45
  4. Step 4: Simplify right side
    3,351.15x = 5,840,014.50
  5. Step 5: Solve for x
    x = 5,840,014.50/3,351.15
  6. Step 6: Final answer
    x = 1,742.69

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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.