Home / 2,524.31-3,782.97-1,289.12

Finding the Fourth Proportional to 2,524.31, 3,782.97 and 1,289.12

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Solution

The fourth proportional to 2,524.31, 3,782.97 and 1,289.12 is: 1,931.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,524.31 : 3,782.97 = 1,289.12 : x
  2. Step 2: Convert to fraction form
    2,524.31/3,782.97 = 1,289.12/x
  3. Step 3: Cross multiply
    2,524.31x = 3,782.97 × 1,289.12
  4. Step 4: Simplify right side
    2,524.31x = 4,876,683.37
  5. Step 5: Solve for x
    x = 4,876,683.37/2,524.31
  6. Step 6: Final answer
    x = 1,931.89

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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.