Home / 3,684.82-5,527.40-1,219.58

Finding the Fourth Proportional to 3,684.82, 5,527.40 and 1,219.58

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Solution

The fourth proportional to 3,684.82, 5,527.40 and 1,219.58 is: 1,829.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,684.82 : 5,527.40 = 1,219.58 : x
  2. Step 2: Convert to fraction form
    3,684.82/5,527.40 = 1,219.58/x
  3. Step 3: Cross multiply
    3,684.82x = 5,527.40 × 1,219.58
  4. Step 4: Simplify right side
    3,684.82x = 6,741,106.49
  5. Step 5: Solve for x
    x = 6,741,106.49/3,684.82
  6. Step 6: Final answer
    x = 1,829.43

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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.