Home / 2,610.74-3,916.05-636.38

Finding the Fourth Proportional to 2,610.74, 3,916.05 and 636.38

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Solution

The fourth proportional to 2,610.74, 3,916.05 and 636.38 is: 954.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.74 : 3,916.05 = 636.38 : x
  2. Step 2: Convert to fraction form
    2,610.74/3,916.05 = 636.38/x
  3. Step 3: Cross multiply
    2,610.74x = 3,916.05 × 636.38
  4. Step 4: Simplify right side
    2,610.74x = 2,492,076.32
  5. Step 5: Solve for x
    x = 2,492,076.32/2,610.74
  6. Step 6: Final answer
    x = 954.55

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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.