Home / 3,638.22-5,027.55-2,974.83

Finding the Fourth Proportional to 3,638.22, 5,027.55 and 2,974.83

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Solution

The fourth proportional to 3,638.22, 5,027.55 and 2,974.83 is: 4,110.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,638.22 : 5,027.55 = 2,974.83 : x
  2. Step 2: Convert to fraction form
    3,638.22/5,027.55 = 2,974.83/x
  3. Step 3: Cross multiply
    3,638.22x = 5,027.55 × 2,974.83
  4. Step 4: Simplify right side
    3,638.22x = 14,956,106.57
  5. Step 5: Solve for x
    x = 14,956,106.57/3,638.22
  6. Step 6: Final answer
    x = 4,110.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.