Home / 2,239-3,089.82-1,453.12

Finding the Fourth Proportional to 2,239, 3,089.82 and 1,453.12

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Solution

The fourth proportional to 2,239, 3,089.82 and 1,453.12 is: 2,005.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239 : 3,089.82 = 1,453.12 : x
  2. Step 2: Convert to fraction form
    2,239/3,089.82 = 1,453.12/x
  3. Step 3: Cross multiply
    2,239x = 3,089.82 × 1,453.12
  4. Step 4: Simplify right side
    2,239x = 4,489,879.24
  5. Step 5: Solve for x
    x = 4,489,879.24/2,239
  6. Step 6: Final answer
    x = 2,005.31

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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.