Home / 3,455.56-5,184.63-2,069.88

Finding the Fourth Proportional to 3,455.56, 5,184.63 and 2,069.88

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Solution

The fourth proportional to 3,455.56, 5,184.63 and 2,069.88 is: 3,105.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.56 : 5,184.63 = 2,069.88 : x
  2. Step 2: Convert to fraction form
    3,455.56/5,184.63 = 2,069.88/x
  3. Step 3: Cross multiply
    3,455.56x = 5,184.63 × 2,069.88
  4. Step 4: Simplify right side
    3,455.56x = 10,731,561.94
  5. Step 5: Solve for x
    x = 10,731,561.94/3,455.56
  6. Step 6: Final answer
    x = 3,105.59

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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.