Home / 2,159.09-2,980.62-1,414.19

Finding the Fourth Proportional to 2,159.09, 2,980.62 and 1,414.19

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Solution

The fourth proportional to 2,159.09, 2,980.62 and 1,414.19 is: 1,952.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159.09 : 2,980.62 = 1,414.19 : x
  2. Step 2: Convert to fraction form
    2,159.09/2,980.62 = 1,414.19/x
  3. Step 3: Cross multiply
    2,159.09x = 2,980.62 × 1,414.19
  4. Step 4: Simplify right side
    2,159.09x = 4,215,163.00
  5. Step 5: Solve for x
    x = 4,215,163.00/2,159.09
  6. Step 6: Final answer
    x = 1,952.29

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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.