Home / 3,710.16-5,122.20-2,314.80

Finding the Fourth Proportional to 3,710.16, 5,122.20 and 2,314.80

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Solution

The fourth proportional to 3,710.16, 5,122.20 and 2,314.80 is: 3,195.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.16 : 5,122.20 = 2,314.80 : x
  2. Step 2: Convert to fraction form
    3,710.16/5,122.20 = 2,314.80/x
  3. Step 3: Cross multiply
    3,710.16x = 5,122.20 × 2,314.80
  4. Step 4: Simplify right side
    3,710.16x = 11,856,868.56
  5. Step 5: Solve for x
    x = 11,856,868.56/3,710.16
  6. Step 6: Final answer
    x = 3,195.78

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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.