Home / 2,851.25-4,265.91-1,619.24

Finding the Fourth Proportional to 2,851.25, 4,265.91 and 1,619.24

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Solution

The fourth proportional to 2,851.25, 4,265.91 and 1,619.24 is: 2,422.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.25 : 4,265.91 = 1,619.24 : x
  2. Step 2: Convert to fraction form
    2,851.25/4,265.91 = 1,619.24/x
  3. Step 3: Cross multiply
    2,851.25x = 4,265.91 × 1,619.24
  4. Step 4: Simplify right side
    2,851.25x = 6,907,510.78
  5. Step 5: Solve for x
    x = 6,907,510.78/2,851.25
  6. Step 6: Final answer
    x = 2,422.63

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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.