Home / 1,922.36-2,884.66-1,265.05

Finding the Fourth Proportional to 1,922.36, 2,884.66 and 1,265.05

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Solution

The fourth proportional to 1,922.36, 2,884.66 and 1,265.05 is: 1,898.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922.36 : 2,884.66 = 1,265.05 : x
  2. Step 2: Convert to fraction form
    1,922.36/2,884.66 = 1,265.05/x
  3. Step 3: Cross multiply
    1,922.36x = 2,884.66 × 1,265.05
  4. Step 4: Simplify right side
    1,922.36x = 3,649,239.13
  5. Step 5: Solve for x
    x = 3,649,239.13/1,922.36
  6. Step 6: Final answer
    x = 1,898.31

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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.