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Finding the Fourth Proportional to 3,994.78, 5,990.15 and 2,329.44

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Solution

The fourth proportional to 3,994.78, 5,990.15 and 2,329.44 is: 3,492.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,994.78 : 5,990.15 = 2,329.44 : x
  2. Step 2: Convert to fraction form
    3,994.78/5,990.15 = 2,329.44/x
  3. Step 3: Cross multiply
    3,994.78x = 5,990.15 × 2,329.44
  4. Step 4: Simplify right side
    3,994.78x = 13,953,695.02
  5. Step 5: Solve for x
    x = 13,953,695.02/3,994.78
  6. Step 6: Final answer
    x = 3,492.98

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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.