Home / 3,938.98-5,907.63-1,165.87

Finding the Fourth Proportional to 3,938.98, 5,907.63 and 1,165.87

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Solution

The fourth proportional to 3,938.98, 5,907.63 and 1,165.87 is: 1,748.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.98 : 5,907.63 = 1,165.87 : x
  2. Step 2: Convert to fraction form
    3,938.98/5,907.63 = 1,165.87/x
  3. Step 3: Cross multiply
    3,938.98x = 5,907.63 × 1,165.87
  4. Step 4: Simplify right side
    3,938.98x = 6,887,528.59
  5. Step 5: Solve for x
    x = 6,887,528.59/3,938.98
  6. Step 6: Final answer
    x = 1,748.56

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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.