Home / 1,673.71-2,509.66-1,329.26

Finding the Fourth Proportional to 1,673.71, 2,509.66 and 1,329.26

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Solution

The fourth proportional to 1,673.71, 2,509.66 and 1,329.26 is: 1,993.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.71 : 2,509.66 = 1,329.26 : x
  2. Step 2: Convert to fraction form
    1,673.71/2,509.66 = 1,329.26/x
  3. Step 3: Cross multiply
    1,673.71x = 2,509.66 × 1,329.26
  4. Step 4: Simplify right side
    1,673.71x = 3,335,990.65
  5. Step 5: Solve for x
    x = 3,335,990.65/1,673.71
  6. Step 6: Final answer
    x = 1,993.17

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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.