Home / 2,656.91-3,983.83-1,095.17

Finding the Fourth Proportional to 2,656.91, 3,983.83 and 1,095.17

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Solution

The fourth proportional to 2,656.91, 3,983.83 and 1,095.17 is: 1,642.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,656.91 : 3,983.83 = 1,095.17 : x
  2. Step 2: Convert to fraction form
    2,656.91/3,983.83 = 1,095.17/x
  3. Step 3: Cross multiply
    2,656.91x = 3,983.83 × 1,095.17
  4. Step 4: Simplify right side
    2,656.91x = 4,362,948.44
  5. Step 5: Solve for x
    x = 4,362,948.44/2,656.91
  6. Step 6: Final answer
    x = 1,642.11

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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.