Home / 3,770.36-5,651.56-1,818.44

Finding the Fourth Proportional to 3,770.36, 5,651.56 and 1,818.44

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Solution

The fourth proportional to 3,770.36, 5,651.56 and 1,818.44 is: 2,725.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,770.36 : 5,651.56 = 1,818.44 : x
  2. Step 2: Convert to fraction form
    3,770.36/5,651.56 = 1,818.44/x
  3. Step 3: Cross multiply
    3,770.36x = 5,651.56 × 1,818.44
  4. Step 4: Simplify right side
    3,770.36x = 10,277,022.77
  5. Step 5: Solve for x
    x = 10,277,022.77/3,770.36
  6. Step 6: Final answer
    x = 2,725.74

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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.