Home / 1,904.52-2,856.20-605.64

Finding the Fourth Proportional to 1,904.52, 2,856.20 and 605.64

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Solution

The fourth proportional to 1,904.52, 2,856.20 and 605.64 is: 908.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.52 : 2,856.20 = 605.64 : x
  2. Step 2: Convert to fraction form
    1,904.52/2,856.20 = 605.64/x
  3. Step 3: Cross multiply
    1,904.52x = 2,856.20 × 605.64
  4. Step 4: Simplify right side
    1,904.52x = 1,729,828.97
  5. Step 5: Solve for x
    x = 1,729,828.97/1,904.52
  6. Step 6: Final answer
    x = 908.28

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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.