Home / 2,272.97-3,136.73-1,328.84

Finding the Fourth Proportional to 2,272.97, 3,136.73 and 1,328.84

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Solution

The fourth proportional to 2,272.97, 3,136.73 and 1,328.84 is: 1,833.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,272.97 : 3,136.73 = 1,328.84 : x
  2. Step 2: Convert to fraction form
    2,272.97/3,136.73 = 1,328.84/x
  3. Step 3: Cross multiply
    2,272.97x = 3,136.73 × 1,328.84
  4. Step 4: Simplify right side
    2,272.97x = 4,168,199.93
  5. Step 5: Solve for x
    x = 4,168,199.93/2,272.97
  6. Step 6: Final answer
    x = 1,833.82

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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.