Home / 2,770.20-3,818.30-2,245.32

Finding the Fourth Proportional to 2,770.20, 3,818.30 and 2,245.32

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Solution

The fourth proportional to 2,770.20, 3,818.30 and 2,245.32 is: 3,094.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,770.20 : 3,818.30 = 2,245.32 : x
  2. Step 2: Convert to fraction form
    2,770.20/3,818.30 = 2,245.32/x
  3. Step 3: Cross multiply
    2,770.20x = 3,818.30 × 2,245.32
  4. Step 4: Simplify right side
    2,770.20x = 8,573,305.36
  5. Step 5: Solve for x
    x = 8,573,305.36/2,770.20
  6. Step 6: Final answer
    x = 3,094.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.