Home / 3,030-4,171.71-2,692.38

Finding the Fourth Proportional to 3,030, 4,171.71 and 2,692.38

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Solution

The fourth proportional to 3,030, 4,171.71 and 2,692.38 is: 3,706.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030 : 4,171.71 = 2,692.38 : x
  2. Step 2: Convert to fraction form
    3,030/4,171.71 = 2,692.38/x
  3. Step 3: Cross multiply
    3,030x = 4,171.71 × 2,692.38
  4. Step 4: Simplify right side
    3,030x = 11,231,828.57
  5. Step 5: Solve for x
    x = 11,231,828.57/3,030
  6. Step 6: Final answer
    x = 3,706.87

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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.