Home / 3,974.40-5,484.74-2,206.08

Finding the Fourth Proportional to 3,974.40, 5,484.74 and 2,206.08

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Solution

The fourth proportional to 3,974.40, 5,484.74 and 2,206.08 is: 3,044.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.40 : 5,484.74 = 2,206.08 : x
  2. Step 2: Convert to fraction form
    3,974.40/5,484.74 = 2,206.08/x
  3. Step 3: Cross multiply
    3,974.40x = 5,484.74 × 2,206.08
  4. Step 4: Simplify right side
    3,974.40x = 12,099,764.19
  5. Step 5: Solve for x
    x = 12,099,764.19/3,974.40
  6. Step 6: Final answer
    x = 3,044.43

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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.