Home / 2,757.39-4,136.21-1,113.73

Finding the Fourth Proportional to 2,757.39, 4,136.21 and 1,113.73

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Solution

The fourth proportional to 2,757.39, 4,136.21 and 1,113.73 is: 1,670.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,757.39 : 4,136.21 = 1,113.73 : x
  2. Step 2: Convert to fraction form
    2,757.39/4,136.21 = 1,113.73/x
  3. Step 3: Cross multiply
    2,757.39x = 4,136.21 × 1,113.73
  4. Step 4: Simplify right side
    2,757.39x = 4,606,600.48
  5. Step 5: Solve for x
    x = 4,606,600.48/2,757.39
  6. Step 6: Final answer
    x = 1,670.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.