Home / 2,553.22-3,831.20-1,458.36

Finding the Fourth Proportional to 2,553.22, 3,831.20 and 1,458.36

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Solution

The fourth proportional to 2,553.22, 3,831.20 and 1,458.36 is: 2,188.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,553.22 : 3,831.20 = 1,458.36 : x
  2. Step 2: Convert to fraction form
    2,553.22/3,831.20 = 1,458.36/x
  3. Step 3: Cross multiply
    2,553.22x = 3,831.20 × 1,458.36
  4. Step 4: Simplify right side
    2,553.22x = 5,587,268.83
  5. Step 5: Solve for x
    x = 5,587,268.83/2,553.22
  6. Step 6: Final answer
    x = 2,188.32

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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.