Home / 3,608.22-5,408.08-1,631.55

Finding the Fourth Proportional to 3,608.22, 5,408.08 and 1,631.55

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Solution

The fourth proportional to 3,608.22, 5,408.08 and 1,631.55 is: 2,445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,608.22 : 5,408.08 = 1,631.55 : x
  2. Step 2: Convert to fraction form
    3,608.22/5,408.08 = 1,631.55/x
  3. Step 3: Cross multiply
    3,608.22x = 5,408.08 × 1,631.55
  4. Step 4: Simplify right side
    3,608.22x = 8,823,552.92
  5. Step 5: Solve for x
    x = 8,823,552.92/3,608.22
  6. Step 6: Final answer
    x = 2,445.40

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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.