Home / 2,554.08-3,831.21-1,091.76

Finding the Fourth Proportional to 2,554.08, 3,831.21 and 1,091.76

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Solution

The fourth proportional to 2,554.08, 3,831.21 and 1,091.76 is: 1,637.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,554.08 : 3,831.21 = 1,091.76 : x
  2. Step 2: Convert to fraction form
    2,554.08/3,831.21 = 1,091.76/x
  3. Step 3: Cross multiply
    2,554.08x = 3,831.21 × 1,091.76
  4. Step 4: Simplify right side
    2,554.08x = 4,182,761.83
  5. Step 5: Solve for x
    x = 4,182,761.83/2,554.08
  6. Step 6: Final answer
    x = 1,637.68

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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.