Home / 3,122.90-4,310.03-1,796.57

Finding the Fourth Proportional to 3,122.90, 4,310.03 and 1,796.57

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Solution

The fourth proportional to 3,122.90, 4,310.03 and 1,796.57 is: 2,479.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,122.90 : 4,310.03 = 1,796.57 : x
  2. Step 2: Convert to fraction form
    3,122.90/4,310.03 = 1,796.57/x
  3. Step 3: Cross multiply
    3,122.90x = 4,310.03 × 1,796.57
  4. Step 4: Simplify right side
    3,122.90x = 7,743,270.60
  5. Step 5: Solve for x
    x = 7,743,270.60/3,122.90
  6. Step 6: Final answer
    x = 2,479.51

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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.