Home / 3,192.43-4,405.73-1,865.95

Finding the Fourth Proportional to 3,192.43, 4,405.73 and 1,865.95

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Solution

The fourth proportional to 3,192.43, 4,405.73 and 1,865.95 is: 2,575.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.43 : 4,405.73 = 1,865.95 : x
  2. Step 2: Convert to fraction form
    3,192.43/4,405.73 = 1,865.95/x
  3. Step 3: Cross multiply
    3,192.43x = 4,405.73 × 1,865.95
  4. Step 4: Simplify right side
    3,192.43x = 8,220,871.89
  5. Step 5: Solve for x
    x = 8,220,871.89/3,192.43
  6. Step 6: Final answer
    x = 2,575.11

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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.