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Finding the Fourth Proportional to 1,893.62, 2,612.30 and 1,264.44

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Solution

The fourth proportional to 1,893.62, 2,612.30 and 1,264.44 is: 1,744.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893.62 : 2,612.30 = 1,264.44 : x
  2. Step 2: Convert to fraction form
    1,893.62/2,612.30 = 1,264.44/x
  3. Step 3: Cross multiply
    1,893.62x = 2,612.30 × 1,264.44
  4. Step 4: Simplify right side
    1,893.62x = 3,303,096.61
  5. Step 5: Solve for x
    x = 3,303,096.61/1,893.62
  6. Step 6: Final answer
    x = 1,744.33

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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.