Home / 3,207.15-4,424.82-1,790.60

Finding the Fourth Proportional to 3,207.15, 4,424.82 and 1,790.60

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Solution

The fourth proportional to 3,207.15, 4,424.82 and 1,790.60 is: 2,470.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.15 : 4,424.82 = 1,790.60 : x
  2. Step 2: Convert to fraction form
    3,207.15/4,424.82 = 1,790.60/x
  3. Step 3: Cross multiply
    3,207.15x = 4,424.82 × 1,790.60
  4. Step 4: Simplify right side
    3,207.15x = 7,923,060.57
  5. Step 5: Solve for x
    x = 7,923,060.57/3,207.15
  6. Step 6: Final answer
    x = 2,470.44

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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.