Home / 3,406.76-5,110.68-1,458.80

Finding the Fourth Proportional to 3,406.76, 5,110.68 and 1,458.80

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Solution

The fourth proportional to 3,406.76, 5,110.68 and 1,458.80 is: 2,188.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.76 : 5,110.68 = 1,458.80 : x
  2. Step 2: Convert to fraction form
    3,406.76/5,110.68 = 1,458.80/x
  3. Step 3: Cross multiply
    3,406.76x = 5,110.68 × 1,458.80
  4. Step 4: Simplify right side
    3,406.76x = 7,455,459.98
  5. Step 5: Solve for x
    x = 7,455,459.98/3,406.76
  6. Step 6: Final answer
    x = 2,188.43

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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.