Home / 1,687.26-2,327.63-1,097.58

Finding the Fourth Proportional to 1,687.26, 2,327.63 and 1,097.58

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Solution

The fourth proportional to 1,687.26, 2,327.63 and 1,097.58 is: 1,514.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,687.26 : 2,327.63 = 1,097.58 : x
  2. Step 2: Convert to fraction form
    1,687.26/2,327.63 = 1,097.58/x
  3. Step 3: Cross multiply
    1,687.26x = 2,327.63 × 1,097.58
  4. Step 4: Simplify right side
    1,687.26x = 2,554,754.65
  5. Step 5: Solve for x
    x = 2,554,754.65/1,687.26
  6. Step 6: Final answer
    x = 1,514.14

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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.