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Finding the Fourth Proportional to 2,994.47, 4,493.53 and 1,263.09

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Solution

The fourth proportional to 2,994.47, 4,493.53 and 1,263.09 is: 1,895.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,994.47 : 4,493.53 = 1,263.09 : x
  2. Step 2: Convert to fraction form
    2,994.47/4,493.53 = 1,263.09/x
  3. Step 3: Cross multiply
    2,994.47x = 4,493.53 × 1,263.09
  4. Step 4: Simplify right side
    2,994.47x = 5,675,744.13
  5. Step 5: Solve for x
    x = 5,675,744.13/2,994.47
  6. Step 6: Final answer
    x = 1,895.41

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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.