Home / 2,289.52-3,159.48-1,616.61

Finding the Fourth Proportional to 2,289.52, 3,159.48 and 1,616.61

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Solution

The fourth proportional to 2,289.52, 3,159.48 and 1,616.61 is: 2,230.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,289.52 : 3,159.48 = 1,616.61 : x
  2. Step 2: Convert to fraction form
    2,289.52/3,159.48 = 1,616.61/x
  3. Step 3: Cross multiply
    2,289.52x = 3,159.48 × 1,616.61
  4. Step 4: Simplify right side
    2,289.52x = 5,107,646.96
  5. Step 5: Solve for x
    x = 5,107,646.96/2,289.52
  6. Step 6: Final answer
    x = 2,230.88

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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.