Home / 3,330.10-4,994.34-1,380.43

Finding the Fourth Proportional to 3,330.10, 4,994.34 and 1,380.43

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Solution

The fourth proportional to 3,330.10, 4,994.34 and 1,380.43 is: 2,070.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.10 : 4,994.34 = 1,380.43 : x
  2. Step 2: Convert to fraction form
    3,330.10/4,994.34 = 1,380.43/x
  3. Step 3: Cross multiply
    3,330.10x = 4,994.34 × 1,380.43
  4. Step 4: Simplify right side
    3,330.10x = 6,894,336.77
  5. Step 5: Solve for x
    x = 6,894,336.77/3,330.10
  6. Step 6: Final answer
    x = 2,070.31

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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.