Home / 2,817.02-4,215.06-1,772.14

Finding the Fourth Proportional to 2,817.02, 4,215.06 and 1,772.14

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Solution

The fourth proportional to 2,817.02, 4,215.06 and 1,772.14 is: 2,651.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.02 : 4,215.06 = 1,772.14 : x
  2. Step 2: Convert to fraction form
    2,817.02/4,215.06 = 1,772.14/x
  3. Step 3: Cross multiply
    2,817.02x = 4,215.06 × 1,772.14
  4. Step 4: Simplify right side
    2,817.02x = 7,469,680.86
  5. Step 5: Solve for x
    x = 7,469,680.86/2,817.02
  6. Step 6: Final answer
    x = 2,651.63

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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.