Home / 1,759.26-2,425.95-1,228.62

Finding the Fourth Proportional to 1,759.26, 2,425.95 and 1,228.62

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Solution

The fourth proportional to 1,759.26, 2,425.95 and 1,228.62 is: 1,694.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,759.26 : 2,425.95 = 1,228.62 : x
  2. Step 2: Convert to fraction form
    1,759.26/2,425.95 = 1,228.62/x
  3. Step 3: Cross multiply
    1,759.26x = 2,425.95 × 1,228.62
  4. Step 4: Simplify right side
    1,759.26x = 2,980,570.69
  5. Step 5: Solve for x
    x = 2,980,570.69/1,759.26
  6. Step 6: Final answer
    x = 1,694.22

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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.