Home / 1,842.17-2,759.00-1,678.14

Finding the Fourth Proportional to 1,842.17, 2,759.00 and 1,678.14

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Solution

The fourth proportional to 1,842.17, 2,759.00 and 1,678.14 is: 2,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,842.17 : 2,759.00 = 1,678.14 : x
  2. Step 2: Convert to fraction form
    1,842.17/2,759.00 = 1,678.14/x
  3. Step 3: Cross multiply
    1,842.17x = 2,759.00 × 1,678.14
  4. Step 4: Simplify right side
    1,842.17x = 4,629,979.87
  5. Step 5: Solve for x
    x = 4,629,979.87/1,842.17
  6. Step 6: Final answer
    x = 2,513.34

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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.