Home / 3,842.20-5,764.65-1,651.06

Finding the Fourth Proportional to 3,842.20, 5,764.65 and 1,651.06

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Solution

The fourth proportional to 3,842.20, 5,764.65 and 1,651.06 is: 2,477.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842.20 : 5,764.65 = 1,651.06 : x
  2. Step 2: Convert to fraction form
    3,842.20/5,764.65 = 1,651.06/x
  3. Step 3: Cross multiply
    3,842.20x = 5,764.65 × 1,651.06
  4. Step 4: Simplify right side
    3,842.20x = 9,517,783.03
  5. Step 5: Solve for x
    x = 9,517,783.03/3,842.20
  6. Step 6: Final answer
    x = 2,477.17

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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.