Home / 1,904.35-2,856.73-605.52

Finding the Fourth Proportional to 1,904.35, 2,856.73 and 605.52

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Solution

The fourth proportional to 1,904.35, 2,856.73 and 605.52 is: 908.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.35 : 2,856.73 = 605.52 : x
  2. Step 2: Convert to fraction form
    1,904.35/2,856.73 = 605.52/x
  3. Step 3: Cross multiply
    1,904.35x = 2,856.73 × 605.52
  4. Step 4: Simplify right side
    1,904.35x = 1,729,807.15
  5. Step 5: Solve for x
    x = 1,729,807.15/1,904.35
  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.