Home / 3,612.11-5,419.03-1,240.15

Finding the Fourth Proportional to 3,612.11, 5,419.03 and 1,240.15

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Solution

The fourth proportional to 3,612.11, 5,419.03 and 1,240.15 is: 1,860.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.11 : 5,419.03 = 1,240.15 : x
  2. Step 2: Convert to fraction form
    3,612.11/5,419.03 = 1,240.15/x
  3. Step 3: Cross multiply
    3,612.11x = 5,419.03 × 1,240.15
  4. Step 4: Simplify right side
    3,612.11x = 6,720,436.92
  5. Step 5: Solve for x
    x = 6,720,436.92/3,612.11
  6. Step 6: Final answer
    x = 1,860.53

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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.