Home / 3,764.78-5,195.58-2,272.76

Finding the Fourth Proportional to 3,764.78, 5,195.58 and 2,272.76

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Solution

The fourth proportional to 3,764.78, 5,195.58 and 2,272.76 is: 3,136.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.78 : 5,195.58 = 2,272.76 : x
  2. Step 2: Convert to fraction form
    3,764.78/5,195.58 = 2,272.76/x
  3. Step 3: Cross multiply
    3,764.78x = 5,195.58 × 2,272.76
  4. Step 4: Simplify right side
    3,764.78x = 11,808,306.40
  5. Step 5: Solve for x
    x = 11,808,306.40/3,764.78
  6. Step 6: Final answer
    x = 3,136.52

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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.