Home / 2,643.14-3,646.68-1,759.08

Finding the Fourth Proportional to 2,643.14, 3,646.68 and 1,759.08

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Solution

The fourth proportional to 2,643.14, 3,646.68 and 1,759.08 is: 2,426.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643.14 : 3,646.68 = 1,759.08 : x
  2. Step 2: Convert to fraction form
    2,643.14/3,646.68 = 1,759.08/x
  3. Step 3: Cross multiply
    2,643.14x = 3,646.68 × 1,759.08
  4. Step 4: Simplify right side
    2,643.14x = 6,414,801.85
  5. Step 5: Solve for x
    x = 6,414,801.85/2,643.14
  6. Step 6: Final answer
    x = 2,426.96

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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.