Home / 3,677.15-5,516.57-1,212.23

Finding the Fourth Proportional to 3,677.15, 5,516.57 and 1,212.23

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Solution

The fourth proportional to 3,677.15, 5,516.57 and 1,212.23 is: 1,818.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677.15 : 5,516.57 = 1,212.23 : x
  2. Step 2: Convert to fraction form
    3,677.15/5,516.57 = 1,212.23/x
  3. Step 3: Cross multiply
    3,677.15x = 5,516.57 × 1,212.23
  4. Step 4: Simplify right side
    3,677.15x = 6,687,351.65
  5. Step 5: Solve for x
    x = 6,687,351.65/3,677.15
  6. Step 6: Final answer
    x = 1,818.62

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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.