Home / 2,382.86-3,288.38-1,320.66

Finding the Fourth Proportional to 2,382.86, 3,288.38 and 1,320.66

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Solution

The fourth proportional to 2,382.86, 3,288.38 and 1,320.66 is: 1,822.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.86 : 3,288.38 = 1,320.66 : x
  2. Step 2: Convert to fraction form
    2,382.86/3,288.38 = 1,320.66/x
  3. Step 3: Cross multiply
    2,382.86x = 3,288.38 × 1,320.66
  4. Step 4: Simplify right side
    2,382.86x = 4,342,831.93
  5. Step 5: Solve for x
    x = 4,342,831.93/2,382.86
  6. Step 6: Final answer
    x = 1,822.53

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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.