Home / 1,694.58-2,340.35-1,164.86

Finding the Fourth Proportional to 1,694.58, 2,340.35 and 1,164.86

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Solution

The fourth proportional to 1,694.58, 2,340.35 and 1,164.86 is: 1,608.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.58 : 2,340.35 = 1,164.86 : x
  2. Step 2: Convert to fraction form
    1,694.58/2,340.35 = 1,164.86/x
  3. Step 3: Cross multiply
    1,694.58x = 2,340.35 × 1,164.86
  4. Step 4: Simplify right side
    1,694.58x = 2,726,174.28
  5. Step 5: Solve for x
    x = 2,726,174.28/1,694.58
  6. Step 6: Final answer
    x = 1,608.76

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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.