Home / 3,149.26-4,338.71-2,263.53

Finding the Fourth Proportional to 3,149.26, 4,338.71 and 2,263.53

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Solution

The fourth proportional to 3,149.26, 4,338.71 and 2,263.53 is: 3,118.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.26 : 4,338.71 = 2,263.53 : x
  2. Step 2: Convert to fraction form
    3,149.26/4,338.71 = 2,263.53/x
  3. Step 3: Cross multiply
    3,149.26x = 4,338.71 × 2,263.53
  4. Step 4: Simplify right side
    3,149.26x = 9,820,767.24
  5. Step 5: Solve for x
    x = 9,820,767.24/3,149.26
  6. Step 6: Final answer
    x = 3,118.44

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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.