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Finding the Fourth Proportional to 2,738.63, 4,108.01 and 1,007.25

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Solution

The fourth proportional to 2,738.63, 4,108.01 and 1,007.25 is: 1,510.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738.63 : 4,108.01 = 1,007.25 : x
  2. Step 2: Convert to fraction form
    2,738.63/4,108.01 = 1,007.25/x
  3. Step 3: Cross multiply
    2,738.63x = 4,108.01 × 1,007.25
  4. Step 4: Simplify right side
    2,738.63x = 4,137,788.04
  5. Step 5: Solve for x
    x = 4,137,788.04/2,738.63
  6. Step 6: Final answer
    x = 1,510.90

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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.