Home / 2,284.13-3,426.35-985.61

Finding the Fourth Proportional to 2,284.13, 3,426.35 and 985.61

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Solution

The fourth proportional to 2,284.13, 3,426.35 and 985.61 is: 1,478.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,284.13 : 3,426.35 = 985.61 : x
  2. Step 2: Convert to fraction form
    2,284.13/3,426.35 = 985.61/x
  3. Step 3: Cross multiply
    2,284.13x = 3,426.35 × 985.61
  4. Step 4: Simplify right side
    2,284.13x = 3,377,022.76
  5. Step 5: Solve for x
    x = 3,377,022.76/2,284.13
  6. Step 6: Final answer
    x = 1,478.48

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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.