Home / 2,250.24-3,106.56-1,728

Finding the Fourth Proportional to 2,250.24, 3,106.56 and 1,728

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Solution

The fourth proportional to 2,250.24, 3,106.56 and 1,728 is: 2,385.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,250.24 : 3,106.56 = 1,728 : x
  2. Step 2: Convert to fraction form
    2,250.24/3,106.56 = 1,728/x
  3. Step 3: Cross multiply
    2,250.24x = 3,106.56 × 1,728
  4. Step 4: Simplify right side
    2,250.24x = 5,368,135.68
  5. Step 5: Solve for x
    x = 5,368,135.68/2,250.24
  6. Step 6: Final answer
    x = 2,385.58

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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.