Home / 2,610.19-3,915.78-1,376.44

Finding the Fourth Proportional to 2,610.19, 3,915.78 and 1,376.44

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Solution

The fourth proportional to 2,610.19, 3,915.78 and 1,376.44 is: 2,064.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.19 : 3,915.78 = 1,376.44 : x
  2. Step 2: Convert to fraction form
    2,610.19/3,915.78 = 1,376.44/x
  3. Step 3: Cross multiply
    2,610.19x = 3,915.78 × 1,376.44
  4. Step 4: Simplify right side
    2,610.19x = 5,389,826.43
  5. Step 5: Solve for x
    x = 5,389,826.43/2,610.19
  6. Step 6: Final answer
    x = 2,064.92

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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.