Home / 2,722.54-4,076.48-1,421.26

Finding the Fourth Proportional to 2,722.54, 4,076.48 and 1,421.26

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Solution

The fourth proportional to 2,722.54, 4,076.48 and 1,421.26 is: 2,128.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.54 : 4,076.48 = 1,421.26 : x
  2. Step 2: Convert to fraction form
    2,722.54/4,076.48 = 1,421.26/x
  3. Step 3: Cross multiply
    2,722.54x = 4,076.48 × 1,421.26
  4. Step 4: Simplify right side
    2,722.54x = 5,793,737.96
  5. Step 5: Solve for x
    x = 5,793,737.96/2,722.54
  6. Step 6: Final answer
    x = 2,128.06

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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.