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Finding the Fourth Proportional to 3,993.80, 5,994.70 and 2,954.76

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Solution

The fourth proportional to 3,993.80, 5,994.70 and 2,954.76 is: 4,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.80 : 5,994.70 = 2,954.76 : x
  2. Step 2: Convert to fraction form
    3,993.80/5,994.70 = 2,954.76/x
  3. Step 3: Cross multiply
    3,993.80x = 5,994.70 × 2,954.76
  4. Step 4: Simplify right side
    3,993.80x = 17,712,899.77
  5. Step 5: Solve for x
    x = 17,712,899.77/3,993.80
  6. Step 6: Final answer
    x = 4,435.10

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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.