Home / 1,891.08-2,834.24-1,343.39

Finding the Fourth Proportional to 1,891.08, 2,834.24 and 1,343.39

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Solution

The fourth proportional to 1,891.08, 2,834.24 and 1,343.39 is: 2,013.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.08 : 2,834.24 = 1,343.39 : x
  2. Step 2: Convert to fraction form
    1,891.08/2,834.24 = 1,343.39/x
  3. Step 3: Cross multiply
    1,891.08x = 2,834.24 × 1,343.39
  4. Step 4: Simplify right side
    1,891.08x = 3,807,468.79
  5. Step 5: Solve for x
    x = 3,807,468.79/1,891.08
  6. Step 6: Final answer
    x = 2,013.38

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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.