Home / 1,349.88-2,021.67-1,039.27

Finding the Fourth Proportional to 1,349.88, 2,021.67 and 1,039.27

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Solution

The fourth proportional to 1,349.88, 2,021.67 and 1,039.27 is: 1,556.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349.88 : 2,021.67 = 1,039.27 : x
  2. Step 2: Convert to fraction form
    1,349.88/2,021.67 = 1,039.27/x
  3. Step 3: Cross multiply
    1,349.88x = 2,021.67 × 1,039.27
  4. Step 4: Simplify right side
    1,349.88x = 2,101,055.93
  5. Step 5: Solve for x
    x = 2,101,055.93/1,349.88
  6. Step 6: Final answer
    x = 1,556.48

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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.