Home / 3,938.19-5,907.30-1,472.37

Finding the Fourth Proportional to 3,938.19, 5,907.30 and 1,472.37

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Solution

The fourth proportional to 3,938.19, 5,907.30 and 1,472.37 is: 2,208.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.19 : 5,907.30 = 1,472.37 : x
  2. Step 2: Convert to fraction form
    3,938.19/5,907.30 = 1,472.37/x
  3. Step 3: Cross multiply
    3,938.19x = 5,907.30 × 1,472.37
  4. Step 4: Simplify right side
    3,938.19x = 8,697,731.30
  5. Step 5: Solve for x
    x = 8,697,731.30/3,938.19
  6. Step 6: Final answer
    x = 2,208.56

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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.