Home / 3,798.20-5,695.58-1,605.80

Finding the Fourth Proportional to 3,798.20, 5,695.58 and 1,605.80

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Solution

The fourth proportional to 3,798.20, 5,695.58 and 1,605.80 is: 2,407.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,798.20 : 5,695.58 = 1,605.80 : x
  2. Step 2: Convert to fraction form
    3,798.20/5,695.58 = 1,605.80/x
  3. Step 3: Cross multiply
    3,798.20x = 5,695.58 × 1,605.80
  4. Step 4: Simplify right side
    3,798.20x = 9,145,962.36
  5. Step 5: Solve for x
    x = 9,145,962.36/3,798.20
  6. Step 6: Final answer
    x = 2,407.97

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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.