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Finding the Fourth Proportional to 3,264.93, 4,899.83 and 2,618.55

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Solution

The fourth proportional to 3,264.93, 4,899.83 and 2,618.55 is: 3,929.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,264.93 : 4,899.83 = 2,618.55 : x
  2. Step 2: Convert to fraction form
    3,264.93/4,899.83 = 2,618.55/x
  3. Step 3: Cross multiply
    3,264.93x = 4,899.83 × 2,618.55
  4. Step 4: Simplify right side
    3,264.93x = 12,830,436.75
  5. Step 5: Solve for x
    x = 12,830,436.75/3,264.93
  6. Step 6: Final answer
    x = 3,929.77

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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.