Home / 2,190.65-3,286.04-1,495.67

Finding the Fourth Proportional to 2,190.65, 3,286.04 and 1,495.67

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Solution

The fourth proportional to 2,190.65, 3,286.04 and 1,495.67 is: 2,243.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190.65 : 3,286.04 = 1,495.67 : x
  2. Step 2: Convert to fraction form
    2,190.65/3,286.04 = 1,495.67/x
  3. Step 3: Cross multiply
    2,190.65x = 3,286.04 × 1,495.67
  4. Step 4: Simplify right side
    2,190.65x = 4,914,807.54
  5. Step 5: Solve for x
    x = 4,914,807.54/2,190.65
  6. Step 6: Final answer
    x = 2,243.54

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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.