Home / 3,685.56-5,527.14-1,219.77

Finding the Fourth Proportional to 3,685.56, 5,527.14 and 1,219.77

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Solution

The fourth proportional to 3,685.56, 5,527.14 and 1,219.77 is: 1,829.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,685.56 : 5,527.14 = 1,219.77 : x
  2. Step 2: Convert to fraction form
    3,685.56/5,527.14 = 1,219.77/x
  3. Step 3: Cross multiply
    3,685.56x = 5,527.14 × 1,219.77
  4. Step 4: Simplify right side
    3,685.56x = 6,741,839.56
  5. Step 5: Solve for x
    x = 6,741,839.56/3,685.56
  6. Step 6: Final answer
    x = 1,829.26

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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.