Home / 3,046.94-4,205.17-1,720.62

Finding the Fourth Proportional to 3,046.94, 4,205.17 and 1,720.62

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Solution

The fourth proportional to 3,046.94, 4,205.17 and 1,720.62 is: 2,374.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.94 : 4,205.17 = 1,720.62 : x
  2. Step 2: Convert to fraction form
    3,046.94/4,205.17 = 1,720.62/x
  3. Step 3: Cross multiply
    3,046.94x = 4,205.17 × 1,720.62
  4. Step 4: Simplify right side
    3,046.94x = 7,235,480.25
  5. Step 5: Solve for x
    x = 7,235,480.25/3,046.94
  6. Step 6: Final answer
    x = 2,374.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.