Home / 1,943.27-2,911.01-1,325.44

Finding the Fourth Proportional to 1,943.27, 2,911.01 and 1,325.44

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Solution

The fourth proportional to 1,943.27, 2,911.01 and 1,325.44 is: 1,985.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,943.27 : 2,911.01 = 1,325.44 : x
  2. Step 2: Convert to fraction form
    1,943.27/2,911.01 = 1,325.44/x
  3. Step 3: Cross multiply
    1,943.27x = 2,911.01 × 1,325.44
  4. Step 4: Simplify right side
    1,943.27x = 3,858,365.13
  5. Step 5: Solve for x
    x = 3,858,365.13/1,943.27
  6. Step 6: Final answer
    x = 1,985.51

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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.