Home / 2,039.44-2,814.38-1,143.12

Finding the Fourth Proportional to 2,039.44, 2,814.38 and 1,143.12

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Solution

The fourth proportional to 2,039.44, 2,814.38 and 1,143.12 is: 1,577.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.44 : 2,814.38 = 1,143.12 : x
  2. Step 2: Convert to fraction form
    2,039.44/2,814.38 = 1,143.12/x
  3. Step 3: Cross multiply
    2,039.44x = 2,814.38 × 1,143.12
  4. Step 4: Simplify right side
    2,039.44x = 3,217,174.07
  5. Step 5: Solve for x
    x = 3,217,174.07/2,039.44
  6. Step 6: Final answer
    x = 1,577.48

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1.5x scale

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.