Home / 3,269.97-4,905.27-1,420.56

Finding the Fourth Proportional to 3,269.97, 4,905.27 and 1,420.56

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Solution

The fourth proportional to 3,269.97, 4,905.27 and 1,420.56 is: 2,130.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,269.97 : 4,905.27 = 1,420.56 : x
  2. Step 2: Convert to fraction form
    3,269.97/4,905.27 = 1,420.56/x
  3. Step 3: Cross multiply
    3,269.97x = 4,905.27 × 1,420.56
  4. Step 4: Simplify right side
    3,269.97x = 6,968,230.35
  5. Step 5: Solve for x
    x = 6,968,230.35/3,269.97
  6. Step 6: Final answer
    x = 2,130.98

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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.