Home / 2,974.02-4,103.99-1,647.62

Finding the Fourth Proportional to 2,974.02, 4,103.99 and 1,647.62

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Solution

The fourth proportional to 2,974.02, 4,103.99 and 1,647.62 is: 2,273.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,974.02 : 4,103.99 = 1,647.62 : x
  2. Step 2: Convert to fraction form
    2,974.02/4,103.99 = 1,647.62/x
  3. Step 3: Cross multiply
    2,974.02x = 4,103.99 × 1,647.62
  4. Step 4: Simplify right side
    2,974.02x = 6,761,816.00
  5. Step 5: Solve for x
    x = 6,761,816.00/2,974.02
  6. Step 6: Final answer
    x = 2,273.63

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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.