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Finding the Fourth Proportional to 3,994.38, 5,991.30 and 2,345.76

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Solution

The fourth proportional to 3,994.38, 5,991.30 and 2,345.76 is: 3,518.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.38 : 5,991.30 = 2,345.76 : x
  2. Step 2: Convert to fraction form
    3,994.38/5,991.30 = 2,345.76/x
  3. Step 3: Cross multiply
    3,994.38x = 5,991.30 × 2,345.76
  4. Step 4: Simplify right side
    3,994.38x = 14,054,151.89
  5. Step 5: Solve for x
    x = 14,054,151.89/3,994.38
  6. Step 6: Final answer
    x = 3,518.48

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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.