Home / 3,974.28-5,484.46-2,205.84

Finding the Fourth Proportional to 3,974.28, 5,484.46 and 2,205.84

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Solution

The fourth proportional to 3,974.28, 5,484.46 and 2,205.84 is: 3,044.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.28 : 5,484.46 = 2,205.84 : x
  2. Step 2: Convert to fraction form
    3,974.28/5,484.46 = 2,205.84/x
  3. Step 3: Cross multiply
    3,974.28x = 5,484.46 × 2,205.84
  4. Step 4: Simplify right side
    3,974.28x = 12,097,841.25
  5. Step 5: Solve for x
    x = 12,097,841.25/3,974.28
  6. Step 6: Final answer
    x = 3,044.03

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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.