Home / 1,904.22-2,856.23-605.59

Finding the Fourth Proportional to 1,904.22, 2,856.23 and 605.59

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Solution

The fourth proportional to 1,904.22, 2,856.23 and 605.59 is: 908.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.22 : 2,856.23 = 605.59 : x
  2. Step 2: Convert to fraction form
    1,904.22/2,856.23 = 605.59/x
  3. Step 3: Cross multiply
    1,904.22x = 2,856.23 × 605.59
  4. Step 4: Simplify right side
    1,904.22x = 1,729,704.33
  5. Step 5: Solve for x
    x = 1,729,704.33/1,904.22
  6. Step 6: Final answer
    x = 908.35

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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.