Home / 2,039.10-2,814.47-1,155.43

Finding the Fourth Proportional to 2,039.10, 2,814.47 and 1,155.43

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Solution

The fourth proportional to 2,039.10, 2,814.47 and 1,155.43 is: 1,594.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.10 : 2,814.47 = 1,155.43 : x
  2. Step 2: Convert to fraction form
    2,039.10/2,814.47 = 1,155.43/x
  3. Step 3: Cross multiply
    2,039.10x = 2,814.47 × 1,155.43
  4. Step 4: Simplify right side
    2,039.10x = 3,251,923.07
  5. Step 5: Solve for x
    x = 3,251,923.07/2,039.10
  6. Step 6: Final answer
    x = 1,594.78

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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.