Home / 2,841.35-4,260.03-1,086.28

Finding the Fourth Proportional to 2,841.35, 4,260.03 and 1,086.28

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Solution

The fourth proportional to 2,841.35, 4,260.03 and 1,086.28 is: 1,628.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.35 : 4,260.03 = 1,086.28 : x
  2. Step 2: Convert to fraction form
    2,841.35/4,260.03 = 1,086.28/x
  3. Step 3: Cross multiply
    2,841.35x = 4,260.03 × 1,086.28
  4. Step 4: Simplify right side
    2,841.35x = 4,627,570.66
  5. Step 5: Solve for x
    x = 4,627,570.66/2,841.35
  6. Step 6: Final answer
    x = 1,628.65

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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.