Home / 1,825.07-2,738.61-900.86

Finding the Fourth Proportional to 1,825.07, 2,738.61 and 900.86

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Solution

The fourth proportional to 1,825.07, 2,738.61 and 900.86 is: 1,351.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825.07 : 2,738.61 = 900.86 : x
  2. Step 2: Convert to fraction form
    1,825.07/2,738.61 = 900.86/x
  3. Step 3: Cross multiply
    1,825.07x = 2,738.61 × 900.86
  4. Step 4: Simplify right side
    1,825.07x = 2,467,090.51
  5. Step 5: Solve for x
    x = 2,467,090.51/1,825.07
  6. Step 6: Final answer
    x = 1,351.78

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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.