Home / 3,316.10-4,976.55-1,369.70

Finding the Fourth Proportional to 3,316.10, 4,976.55 and 1,369.70

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Solution

The fourth proportional to 3,316.10, 4,976.55 and 1,369.70 is: 2,055.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.10 : 4,976.55 = 1,369.70 : x
  2. Step 2: Convert to fraction form
    3,316.10/4,976.55 = 1,369.70/x
  3. Step 3: Cross multiply
    3,316.10x = 4,976.55 × 1,369.70
  4. Step 4: Simplify right side
    3,316.10x = 6,816,380.54
  5. Step 5: Solve for x
    x = 6,816,380.54/3,316.10
  6. Step 6: Final answer
    x = 2,055.54

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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.