Home / 2,825.25-3,898.88-1,566.32

Finding the Fourth Proportional to 2,825.25, 3,898.88 and 1,566.32

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Solution

The fourth proportional to 2,825.25, 3,898.88 and 1,566.32 is: 2,161.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.25 : 3,898.88 = 1,566.32 : x
  2. Step 2: Convert to fraction form
    2,825.25/3,898.88 = 1,566.32/x
  3. Step 3: Cross multiply
    2,825.25x = 3,898.88 × 1,566.32
  4. Step 4: Simplify right side
    2,825.25x = 6,106,919.46
  5. Step 5: Solve for x
    x = 6,106,919.46/2,825.25
  6. Step 6: Final answer
    x = 2,161.55

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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.