Home / 2,749.91-3,794.00-1,686.58

Finding the Fourth Proportional to 2,749.91, 3,794.00 and 1,686.58

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Solution

The fourth proportional to 2,749.91, 3,794.00 and 1,686.58 is: 2,326.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.91 : 3,794.00 = 1,686.58 : x
  2. Step 2: Convert to fraction form
    2,749.91/3,794.00 = 1,686.58/x
  3. Step 3: Cross multiply
    2,749.91x = 3,794.00 × 1,686.58
  4. Step 4: Simplify right side
    2,749.91x = 6,398,880.30
  5. Step 5: Solve for x
    x = 6,398,880.30/2,749.91
  6. Step 6: Final answer
    x = 2,326.94

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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.