Home / 2,825.18-3,898.88-1,566.36

Finding the Fourth Proportional to 2,825.18, 3,898.88 and 1,566.36

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Solution

The fourth proportional to 2,825.18, 3,898.88 and 1,566.36 is: 2,161.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.18 : 3,898.88 = 1,566.36 : x
  2. Step 2: Convert to fraction form
    2,825.18/3,898.88 = 1,566.36/x
  3. Step 3: Cross multiply
    2,825.18x = 3,898.88 × 1,566.36
  4. Step 4: Simplify right side
    2,825.18x = 6,107,049.68
  5. Step 5: Solve for x
    x = 6,107,049.68/2,825.18
  6. Step 6: Final answer
    x = 2,161.65

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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.