Home / 2,568.07-3,543.73-1,449.28

Finding the Fourth Proportional to 2,568.07, 3,543.73 and 1,449.28

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Solution

The fourth proportional to 2,568.07, 3,543.73 and 1,449.28 is: 1,999.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.07 : 3,543.73 = 1,449.28 : x
  2. Step 2: Convert to fraction form
    2,568.07/3,543.73 = 1,449.28/x
  3. Step 3: Cross multiply
    2,568.07x = 3,543.73 × 1,449.28
  4. Step 4: Simplify right side
    2,568.07x = 5,135,857.01
  5. Step 5: Solve for x
    x = 5,135,857.01/2,568.07
  6. Step 6: Final answer
    x = 1,999.89

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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.