Home / 2,628.26-3,943.13-1,395.48

Finding the Fourth Proportional to 2,628.26, 3,943.13 and 1,395.48

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Solution

The fourth proportional to 2,628.26, 3,943.13 and 1,395.48 is: 2,093.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.26 : 3,943.13 = 1,395.48 : x
  2. Step 2: Convert to fraction form
    2,628.26/3,943.13 = 1,395.48/x
  3. Step 3: Cross multiply
    2,628.26x = 3,943.13 × 1,395.48
  4. Step 4: Simplify right side
    2,628.26x = 5,502,552.08
  5. Step 5: Solve for x
    x = 5,502,552.08/2,628.26
  6. Step 6: Final answer
    x = 2,093.61

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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.