Home / 3,179.63-4,388.12-1,763.39

Finding the Fourth Proportional to 3,179.63, 4,388.12 and 1,763.39

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Solution

The fourth proportional to 3,179.63, 4,388.12 and 1,763.39 is: 2,433.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.63 : 4,388.12 = 1,763.39 : x
  2. Step 2: Convert to fraction form
    3,179.63/4,388.12 = 1,763.39/x
  3. Step 3: Cross multiply
    3,179.63x = 4,388.12 × 1,763.39
  4. Step 4: Simplify right side
    3,179.63x = 7,737,966.93
  5. Step 5: Solve for x
    x = 7,737,966.93/3,179.63
  6. Step 6: Final answer
    x = 2,433.61

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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.