Home / 1,568.25-2,163.33-1,036.53

Finding the Fourth Proportional to 1,568.25, 2,163.33 and 1,036.53

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Solution

The fourth proportional to 1,568.25, 2,163.33 and 1,036.53 is: 1,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,568.25 : 2,163.33 = 1,036.53 : x
  2. Step 2: Convert to fraction form
    1,568.25/2,163.33 = 1,036.53/x
  3. Step 3: Cross multiply
    1,568.25x = 2,163.33 × 1,036.53
  4. Step 4: Simplify right side
    1,568.25x = 2,242,356.44
  5. Step 5: Solve for x
    x = 2,242,356.44/1,568.25
  6. Step 6: Final answer
    x = 1,429.85

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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.