Home / 2,020.66-2,786.61-1,709.62

Finding the Fourth Proportional to 2,020.66, 2,786.61 and 1,709.62

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Solution

The fourth proportional to 2,020.66, 2,786.61 and 1,709.62 is: 2,357.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.66 : 2,786.61 = 1,709.62 : x
  2. Step 2: Convert to fraction form
    2,020.66/2,786.61 = 1,709.62/x
  3. Step 3: Cross multiply
    2,020.66x = 2,786.61 × 1,709.62
  4. Step 4: Simplify right side
    2,020.66x = 4,764,044.19
  5. Step 5: Solve for x
    x = 4,764,044.19/2,020.66
  6. Step 6: Final answer
    x = 2,357.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.