Home / 3,137.38-4,704.27-945.46

Finding the Fourth Proportional to 3,137.38, 4,704.27 and 945.46

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Solution

The fourth proportional to 3,137.38, 4,704.27 and 945.46 is: 1,417.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.38 : 4,704.27 = 945.46 : x
  2. Step 2: Convert to fraction form
    3,137.38/4,704.27 = 945.46/x
  3. Step 3: Cross multiply
    3,137.38x = 4,704.27 × 945.46
  4. Step 4: Simplify right side
    3,137.38x = 4,447,699.11
  5. Step 5: Solve for x
    x = 4,447,699.11/3,137.38
  6. Step 6: Final answer
    x = 1,417.65

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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.