Home / 3,431.58-5,154.26-2,047.62

Finding the Fourth Proportional to 3,431.58, 5,154.26 and 2,047.62

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Solution

The fourth proportional to 3,431.58, 5,154.26 and 2,047.62 is: 3,075.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.58 : 5,154.26 = 2,047.62 : x
  2. Step 2: Convert to fraction form
    3,431.58/5,154.26 = 2,047.62/x
  3. Step 3: Cross multiply
    3,431.58x = 5,154.26 × 2,047.62
  4. Step 4: Simplify right side
    3,431.58x = 10,553,965.86
  5. Step 5: Solve for x
    x = 10,553,965.86/3,431.58
  6. Step 6: Final answer
    x = 3,075.54

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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.