Home / 2,644.14-3,645.46-2,275.09

Finding the Fourth Proportional to 2,644.14, 3,645.46 and 2,275.09

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Solution

The fourth proportional to 2,644.14, 3,645.46 and 2,275.09 is: 3,136.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.14 : 3,645.46 = 2,275.09 : x
  2. Step 2: Convert to fraction form
    2,644.14/3,645.46 = 2,275.09/x
  3. Step 3: Cross multiply
    2,644.14x = 3,645.46 × 2,275.09
  4. Step 4: Simplify right side
    2,644.14x = 8,293,749.59
  5. Step 5: Solve for x
    x = 8,293,749.59/2,644.14
  6. Step 6: Final answer
    x = 3,136.65

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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.