Home / 3,005.66-4,505.45-1,704.39

Finding the Fourth Proportional to 3,005.66, 4,505.45 and 1,704.39

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Solution

The fourth proportional to 3,005.66, 4,505.45 and 1,704.39 is: 2,554.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005.66 : 4,505.45 = 1,704.39 : x
  2. Step 2: Convert to fraction form
    3,005.66/4,505.45 = 1,704.39/x
  3. Step 3: Cross multiply
    3,005.66x = 4,505.45 × 1,704.39
  4. Step 4: Simplify right side
    3,005.66x = 7,679,035.40
  5. Step 5: Solve for x
    x = 7,679,035.40/3,005.66
  6. Step 6: Final answer
    x = 2,554.86

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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.