Home / 1,671.26-2,305.84-1,008.07

Finding the Fourth Proportional to 1,671.26, 2,305.84 and 1,008.07

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Solution

The fourth proportional to 1,671.26, 2,305.84 and 1,008.07 is: 1,390.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671.26 : 2,305.84 = 1,008.07 : x
  2. Step 2: Convert to fraction form
    1,671.26/2,305.84 = 1,008.07/x
  3. Step 3: Cross multiply
    1,671.26x = 2,305.84 × 1,008.07
  4. Step 4: Simplify right side
    1,671.26x = 2,324,448.13
  5. Step 5: Solve for x
    x = 2,324,448.13/1,671.26
  6. Step 6: Final answer
    x = 1,390.84

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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.