Home / 1,400.14-1,932.24-1,008.82

Finding the Fourth Proportional to 1,400.14, 1,932.24 and 1,008.82

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Solution

The fourth proportional to 1,400.14, 1,932.24 and 1,008.82 is: 1,392.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,400.14 : 1,932.24 = 1,008.82 : x
  2. Step 2: Convert to fraction form
    1,400.14/1,932.24 = 1,008.82/x
  3. Step 3: Cross multiply
    1,400.14x = 1,932.24 × 1,008.82
  4. Step 4: Simplify right side
    1,400.14x = 1,949,282.36
  5. Step 5: Solve for x
    x = 1,949,282.36/1,400.14
  6. Step 6: Final answer
    x = 1,392.21

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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.