Home / 3,622.68-5,431.86-2,454.12

Finding the Fourth Proportional to 3,622.68, 5,431.86 and 2,454.12

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Solution

The fourth proportional to 3,622.68, 5,431.86 and 2,454.12 is: 3,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.68 : 5,431.86 = 2,454.12 : x
  2. Step 2: Convert to fraction form
    3,622.68/5,431.86 = 2,454.12/x
  3. Step 3: Cross multiply
    3,622.68x = 5,431.86 × 2,454.12
  4. Step 4: Simplify right side
    3,622.68x = 13,330,436.26
  5. Step 5: Solve for x
    x = 13,330,436.26/3,622.68
  6. Step 6: Final answer
    x = 3,679.72

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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.