Home / 2,556.49-3,831.84-1,152.06

Finding the Fourth Proportional to 2,556.49, 3,831.84 and 1,152.06

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Solution

The fourth proportional to 2,556.49, 3,831.84 and 1,152.06 is: 1,726.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.49 : 3,831.84 = 1,152.06 : x
  2. Step 2: Convert to fraction form
    2,556.49/3,831.84 = 1,152.06/x
  3. Step 3: Cross multiply
    2,556.49x = 3,831.84 × 1,152.06
  4. Step 4: Simplify right side
    2,556.49x = 4,414,509.59
  5. Step 5: Solve for x
    x = 4,414,509.59/2,556.49
  6. Step 6: Final answer
    x = 1,726.79

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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.