Home / 3,136.20-4,682.46-2,825.16

Finding the Fourth Proportional to 3,136.20, 4,682.46 and 2,825.16

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Solution

The fourth proportional to 3,136.20, 4,682.46 and 2,825.16 is: 4,218.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136.20 : 4,682.46 = 2,825.16 : x
  2. Step 2: Convert to fraction form
    3,136.20/4,682.46 = 2,825.16/x
  3. Step 3: Cross multiply
    3,136.20x = 4,682.46 × 2,825.16
  4. Step 4: Simplify right side
    3,136.20x = 13,228,698.69
  5. Step 5: Solve for x
    x = 13,228,698.69/3,136.20
  6. Step 6: Final answer
    x = 4,218.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.