Home / 1,769.94-2,438.92-1,369.17

Finding the Fourth Proportional to 1,769.94, 2,438.92 and 1,369.17

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Solution

The fourth proportional to 1,769.94, 2,438.92 and 1,369.17 is: 1,886.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,769.94 : 2,438.92 = 1,369.17 : x
  2. Step 2: Convert to fraction form
    1,769.94/2,438.92 = 1,369.17/x
  3. Step 3: Cross multiply
    1,769.94x = 2,438.92 × 1,369.17
  4. Step 4: Simplify right side
    1,769.94x = 3,339,288.10
  5. Step 5: Solve for x
    x = 3,339,288.10/1,769.94
  6. Step 6: Final answer
    x = 1,886.67

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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.