Home / 3,537.87-5,306.80-1,072.70

Finding the Fourth Proportional to 3,537.87, 5,306.80 and 1,072.70

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Solution

The fourth proportional to 3,537.87, 5,306.80 and 1,072.70 is: 1,609.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,537.87 : 5,306.80 = 1,072.70 : x
  2. Step 2: Convert to fraction form
    3,537.87/5,306.80 = 1,072.70/x
  3. Step 3: Cross multiply
    3,537.87x = 5,306.80 × 1,072.70
  4. Step 4: Simplify right side
    3,537.87x = 5,692,604.36
  5. Step 5: Solve for x
    x = 5,692,604.36/3,537.87
  6. Step 6: Final answer
    x = 1,609.05

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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.