Home / 1,414.52-2,120.26-1,399.16

Finding the Fourth Proportional to 1,414.52, 2,120.26 and 1,399.16

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Solution

The fourth proportional to 1,414.52, 2,120.26 and 1,399.16 is: 2,097.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,414.52 : 2,120.26 = 1,399.16 : x
  2. Step 2: Convert to fraction form
    1,414.52/2,120.26 = 1,399.16/x
  3. Step 3: Cross multiply
    1,414.52x = 2,120.26 × 1,399.16
  4. Step 4: Simplify right side
    1,414.52x = 2,966,582.98
  5. Step 5: Solve for x
    x = 2,966,582.98/1,414.52
  6. Step 6: Final answer
    x = 2,097.24

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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.