Home / 2,531.87-3,494.43-1,933.38

Finding the Fourth Proportional to 2,531.87, 3,494.43 and 1,933.38

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Solution

The fourth proportional to 2,531.87, 3,494.43 and 1,933.38 is: 2,668.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,531.87 : 3,494.43 = 1,933.38 : x
  2. Step 2: Convert to fraction form
    2,531.87/3,494.43 = 1,933.38/x
  3. Step 3: Cross multiply
    2,531.87x = 3,494.43 × 1,933.38
  4. Step 4: Simplify right side
    2,531.87x = 6,756,061.07
  5. Step 5: Solve for x
    x = 6,756,061.07/2,531.87
  6. Step 6: Final answer
    x = 2,668.41

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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.