Home / 1,862.16-2,568.36-1,163.28

Finding the Fourth Proportional to 1,862.16, 2,568.36 and 1,163.28

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Solution

The fourth proportional to 1,862.16, 2,568.36 and 1,163.28 is: 1,604.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.16 : 2,568.36 = 1,163.28 : x
  2. Step 2: Convert to fraction form
    1,862.16/2,568.36 = 1,163.28/x
  3. Step 3: Cross multiply
    1,862.16x = 2,568.36 × 1,163.28
  4. Step 4: Simplify right side
    1,862.16x = 2,987,721.82
  5. Step 5: Solve for x
    x = 2,987,721.82/1,862.16
  6. Step 6: Final answer
    x = 1,604.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.