Home / 3,974.10-5,483.70-2,205.81

Finding the Fourth Proportional to 3,974.10, 5,483.70 and 2,205.81

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Solution

The fourth proportional to 3,974.10, 5,483.70 and 2,205.81 is: 3,043.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.10 : 5,483.70 = 2,205.81 : x
  2. Step 2: Convert to fraction form
    3,974.10/5,483.70 = 2,205.81/x
  3. Step 3: Cross multiply
    3,974.10x = 5,483.70 × 2,205.81
  4. Step 4: Simplify right side
    3,974.10x = 12,096,000.30
  5. Step 5: Solve for x
    x = 12,096,000.30/3,974.10
  6. Step 6: Final answer
    x = 3,043.71

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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.