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Finding the Fourth Proportional to 3,994.48, 5,994.28 and 1,941.36

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Solution

The fourth proportional to 3,994.48, 5,994.28 and 1,941.36 is: 2,913.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.48 : 5,994.28 = 1,941.36 : x
  2. Step 2: Convert to fraction form
    3,994.48/5,994.28 = 1,941.36/x
  3. Step 3: Cross multiply
    3,994.48x = 5,994.28 × 1,941.36
  4. Step 4: Simplify right side
    3,994.48x = 11,637,055.42
  5. Step 5: Solve for x
    x = 11,637,055.42/3,994.48
  6. Step 6: Final answer
    x = 2,913.28

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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.