Home / 3,459.55-5,190.64-2,073.88

Finding the Fourth Proportional to 3,459.55, 5,190.64 and 2,073.88

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Solution

The fourth proportional to 3,459.55, 5,190.64 and 2,073.88 is: 3,111.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.55 : 5,190.64 = 2,073.88 : x
  2. Step 2: Convert to fraction form
    3,459.55/5,190.64 = 2,073.88/x
  3. Step 3: Cross multiply
    3,459.55x = 5,190.64 × 2,073.88
  4. Step 4: Simplify right side
    3,459.55x = 10,764,764.48
  5. Step 5: Solve for x
    x = 10,764,764.48/3,459.55
  6. Step 6: Final answer
    x = 3,111.61

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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.