Home / 3,764.83-5,195.65-2,272.72

Finding the Fourth Proportional to 3,764.83, 5,195.65 and 2,272.72

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Solution

The fourth proportional to 3,764.83, 5,195.65 and 2,272.72 is: 3,136.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,764.83 : 5,195.65 = 2,272.72 : x
  2. Step 2: Convert to fraction form
    3,764.83/5,195.65 = 2,272.72/x
  3. Step 3: Cross multiply
    3,764.83x = 5,195.65 × 2,272.72
  4. Step 4: Simplify right side
    3,764.83x = 11,808,257.67
  5. Step 5: Solve for x
    x = 11,808,257.67/3,764.83
  6. Step 6: Final answer
    x = 3,136.47

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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.