Home / 1,726.11-2,369.25-1,578.49

Finding the Fourth Proportional to 1,726.11, 2,369.25 and 1,578.49

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Solution

The fourth proportional to 1,726.11, 2,369.25 and 1,578.49 is: 2,166.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726.11 : 2,369.25 = 1,578.49 : x
  2. Step 2: Convert to fraction form
    1,726.11/2,369.25 = 1,578.49/x
  3. Step 3: Cross multiply
    1,726.11x = 2,369.25 × 1,578.49
  4. Step 4: Simplify right side
    1,726.11x = 3,739,831.51
  5. Step 5: Solve for x
    x = 3,739,831.51/1,726.11
  6. Step 6: Final answer
    x = 2,166.62

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.