Home / 2,686.92-3,705.32-2,097.24

Finding the Fourth Proportional to 2,686.92, 3,705.32 and 2,097.24

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Solution

The fourth proportional to 2,686.92, 3,705.32 and 2,097.24 is: 2,892.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.92 : 3,705.32 = 2,097.24 : x
  2. Step 2: Convert to fraction form
    2,686.92/3,705.32 = 2,097.24/x
  3. Step 3: Cross multiply
    2,686.92x = 3,705.32 × 2,097.24
  4. Step 4: Simplify right side
    2,686.92x = 7,770,945.32
  5. Step 5: Solve for x
    x = 7,770,945.32/2,686.92
  6. Step 6: Final answer
    x = 2,892.14

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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.