Home / 2,254.20-3,381.57-955.50

Finding the Fourth Proportional to 2,254.20, 3,381.57 and 955.50

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Solution

The fourth proportional to 2,254.20, 3,381.57 and 955.50 is: 1,433.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.20 : 3,381.57 = 955.50 : x
  2. Step 2: Convert to fraction form
    2,254.20/3,381.57 = 955.50/x
  3. Step 3: Cross multiply
    2,254.20x = 3,381.57 × 955.50
  4. Step 4: Simplify right side
    2,254.20x = 3,231,090.14
  5. Step 5: Solve for x
    x = 3,231,090.14/2,254.20
  6. Step 6: Final answer
    x = 1,433.36

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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.