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Finding the Fourth Proportional to 2,803.90, 4,201.22 and 1,704.94

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Solution

The fourth proportional to 2,803.90, 4,201.22 and 1,704.94 is: 2,554.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.90 : 4,201.22 = 1,704.94 : x
  2. Step 2: Convert to fraction form
    2,803.90/4,201.22 = 1,704.94/x
  3. Step 3: Cross multiply
    2,803.90x = 4,201.22 × 1,704.94
  4. Step 4: Simplify right side
    2,803.90x = 7,162,828.03
  5. Step 5: Solve for x
    x = 7,162,828.03/2,803.90
  6. Step 6: Final answer
    x = 2,554.59

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1.5x scale

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.