Home / 2,014.56-2,781.84-1,949.28

Finding the Fourth Proportional to 2,014.56, 2,781.84 and 1,949.28

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Solution

The fourth proportional to 2,014.56, 2,781.84 and 1,949.28 is: 2,691.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.56 : 2,781.84 = 1,949.28 : x
  2. Step 2: Convert to fraction form
    2,014.56/2,781.84 = 1,949.28/x
  3. Step 3: Cross multiply
    2,014.56x = 2,781.84 × 1,949.28
  4. Step 4: Simplify right side
    2,014.56x = 5,422,585.08
  5. Step 5: Solve for x
    x = 5,422,585.08/2,014.56
  6. Step 6: Final answer
    x = 2,691.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.