Home / 3,608.19-5,401.35-2,784.42

Finding the Fourth Proportional to 3,608.19, 5,401.35 and 2,784.42

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Solution

The fourth proportional to 3,608.19, 5,401.35 and 2,784.42 is: 4,168.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.19 : 5,401.35 = 2,784.42 : x
  2. Step 2: Convert to fraction form
    3,608.19/5,401.35 = 2,784.42/x
  3. Step 3: Cross multiply
    3,608.19x = 5,401.35 × 2,784.42
  4. Step 4: Simplify right side
    3,608.19x = 15,039,626.97
  5. Step 5: Solve for x
    x = 15,039,626.97/3,608.19
  6. Step 6: Final answer
    x = 4,168.19

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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.