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Finding the Fourth Proportional to 3,844.80, 5,762.41 and 1,994.83

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Solution

The fourth proportional to 3,844.80, 5,762.41 and 1,994.83 is: 2,989.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,844.80 : 5,762.41 = 1,994.83 : x
  2. Step 2: Convert to fraction form
    3,844.80/5,762.41 = 1,994.83/x
  3. Step 3: Cross multiply
    3,844.80x = 5,762.41 × 1,994.83
  4. Step 4: Simplify right side
    3,844.80x = 11,495,008.95
  5. Step 5: Solve for x
    x = 11,495,008.95/3,844.80
  6. Step 6: Final answer
    x = 2,989.75

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1.5x scale

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.