Home / 3,864.52-5,788.58-2,615.88

Finding the Fourth Proportional to 3,864.52, 5,788.58 and 2,615.88

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Solution

The fourth proportional to 3,864.52, 5,788.58 and 2,615.88 is: 3,918.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.52 : 5,788.58 = 2,615.88 : x
  2. Step 2: Convert to fraction form
    3,864.52/5,788.58 = 2,615.88/x
  3. Step 3: Cross multiply
    3,864.52x = 5,788.58 × 2,615.88
  4. Step 4: Simplify right side
    3,864.52x = 15,142,234.82
  5. Step 5: Solve for x
    x = 15,142,234.82/3,864.52
  6. Step 6: Final answer
    x = 3,918.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.