Home / 3,911.89-5,397.06-2,232.09

Finding the Fourth Proportional to 3,911.89, 5,397.06 and 2,232.09

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Solution

The fourth proportional to 3,911.89, 5,397.06 and 2,232.09 is: 3,079.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.89 : 5,397.06 = 2,232.09 : x
  2. Step 2: Convert to fraction form
    3,911.89/5,397.06 = 2,232.09/x
  3. Step 3: Cross multiply
    3,911.89x = 5,397.06 × 2,232.09
  4. Step 4: Simplify right side
    3,911.89x = 12,046,696.67
  5. Step 5: Solve for x
    x = 12,046,696.67/3,911.89
  6. Step 6: Final answer
    x = 3,079.51

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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.