Home / 1,673.66-2,309.30-1,275.24

Finding the Fourth Proportional to 1,673.66, 2,309.30 and 1,275.24

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Solution

The fourth proportional to 1,673.66, 2,309.30 and 1,275.24 is: 1,759.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.66 : 2,309.30 = 1,275.24 : x
  2. Step 2: Convert to fraction form
    1,673.66/2,309.30 = 1,275.24/x
  3. Step 3: Cross multiply
    1,673.66x = 2,309.30 × 1,275.24
  4. Step 4: Simplify right side
    1,673.66x = 2,944,911.73
  5. Step 5: Solve for x
    x = 2,944,911.73/1,673.66
  6. Step 6: Final answer
    x = 1,759.56

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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.