Home / 3,440.73-5,161.35-1,687.22

Finding the Fourth Proportional to 3,440.73, 5,161.35 and 1,687.22

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Solution

The fourth proportional to 3,440.73, 5,161.35 and 1,687.22 is: 2,530.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.73 : 5,161.35 = 1,687.22 : x
  2. Step 2: Convert to fraction form
    3,440.73/5,161.35 = 1,687.22/x
  3. Step 3: Cross multiply
    3,440.73x = 5,161.35 × 1,687.22
  4. Step 4: Simplify right side
    3,440.73x = 8,708,307.14
  5. Step 5: Solve for x
    x = 8,708,307.14/3,440.73
  6. Step 6: Final answer
    x = 2,530.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.