Home / 2,039.38-3,059.26-578.56

Finding the Fourth Proportional to 2,039.38, 3,059.26 and 578.56

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Solution

The fourth proportional to 2,039.38, 3,059.26 and 578.56 is: 867.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039.38 : 3,059.26 = 578.56 : x
  2. Step 2: Convert to fraction form
    2,039.38/3,059.26 = 578.56/x
  3. Step 3: Cross multiply
    2,039.38x = 3,059.26 × 578.56
  4. Step 4: Simplify right side
    2,039.38x = 1,769,965.47
  5. Step 5: Solve for x
    x = 1,769,965.47/2,039.38
  6. Step 6: Final answer
    x = 867.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.