Home / 2,764.50-4,146.75-1,531.56

Finding the Fourth Proportional to 2,764.50, 4,146.75 and 1,531.56

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Solution

The fourth proportional to 2,764.50, 4,146.75 and 1,531.56 is: 2,297.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.50 : 4,146.75 = 1,531.56 : x
  2. Step 2: Convert to fraction form
    2,764.50/4,146.75 = 1,531.56/x
  3. Step 3: Cross multiply
    2,764.50x = 4,146.75 × 1,531.56
  4. Step 4: Simplify right side
    2,764.50x = 6,350,996.43
  5. Step 5: Solve for x
    x = 6,350,996.43/2,764.50
  6. Step 6: Final answer
    x = 2,297.34

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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.