Home / 2,610.18-3,915.27-635.79

Finding the Fourth Proportional to 2,610.18, 3,915.27 and 635.79

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Solution

The fourth proportional to 2,610.18, 3,915.27 and 635.79 is: 953.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.18 : 3,915.27 = 635.79 : x
  2. Step 2: Convert to fraction form
    2,610.18/3,915.27 = 635.79/x
  3. Step 3: Cross multiply
    2,610.18x = 3,915.27 × 635.79
  4. Step 4: Simplify right side
    2,610.18x = 2,489,289.51
  5. Step 5: Solve for x
    x = 2,489,289.51/2,610.18
  6. Step 6: Final answer
    x = 953.69

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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.