Home / 2,616.10-3,921.45-1,883.14

Finding the Fourth Proportional to 2,616.10, 3,921.45 and 1,883.14

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Solution

The fourth proportional to 2,616.10, 3,921.45 and 1,883.14 is: 2,822.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.10 : 3,921.45 = 1,883.14 : x
  2. Step 2: Convert to fraction form
    2,616.10/3,921.45 = 1,883.14/x
  3. Step 3: Cross multiply
    2,616.10x = 3,921.45 × 1,883.14
  4. Step 4: Simplify right side
    2,616.10x = 7,384,639.35
  5. Step 5: Solve for x
    x = 7,384,639.35/2,616.10
  6. Step 6: Final answer
    x = 2,822.77

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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.