Home / 2,876.52-3,968.46-1,695.72

Finding the Fourth Proportional to 2,876.52, 3,968.46 and 1,695.72

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Solution

The fourth proportional to 2,876.52, 3,968.46 and 1,695.72 is: 2,339.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.52 : 3,968.46 = 1,695.72 : x
  2. Step 2: Convert to fraction form
    2,876.52/3,968.46 = 1,695.72/x
  3. Step 3: Cross multiply
    2,876.52x = 3,968.46 × 1,695.72
  4. Step 4: Simplify right side
    2,876.52x = 6,729,396.99
  5. Step 5: Solve for x
    x = 6,729,396.99/2,876.52
  6. Step 6: Final answer
    x = 2,339.42

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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.