Home / 2,161.26-2,983.42-1,453.52

Finding the Fourth Proportional to 2,161.26, 2,983.42 and 1,453.52

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Solution

The fourth proportional to 2,161.26, 2,983.42 and 1,453.52 is: 2,006.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,161.26 : 2,983.42 = 1,453.52 : x
  2. Step 2: Convert to fraction form
    2,161.26/2,983.42 = 1,453.52/x
  3. Step 3: Cross multiply
    2,161.26x = 2,983.42 × 1,453.52
  4. Step 4: Simplify right side
    2,161.26x = 4,336,460.64
  5. Step 5: Solve for x
    x = 4,336,460.64/2,161.26
  6. Step 6: Final answer
    x = 2,006.45

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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.