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Finding the Fourth Proportional to 2,582.76, 3,878.85 and 2,365.88

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Solution

The fourth proportional to 2,582.76, 3,878.85 and 2,365.88 is: 3,553.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,582.76 : 3,878.85 = 2,365.88 : x
  2. Step 2: Convert to fraction form
    2,582.76/3,878.85 = 2,365.88/x
  3. Step 3: Cross multiply
    2,582.76x = 3,878.85 × 2,365.88
  4. Step 4: Simplify right side
    2,582.76x = 9,176,893.64
  5. Step 5: Solve for x
    x = 9,176,893.64/2,582.76
  6. Step 6: Final answer
    x = 3,553.13

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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.