Home / 3,165.03-4,744.80-1,215.99

Finding the Fourth Proportional to 3,165.03, 4,744.80 and 1,215.99

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Solution

The fourth proportional to 3,165.03, 4,744.80 and 1,215.99 is: 1,822.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.03 : 4,744.80 = 1,215.99 : x
  2. Step 2: Convert to fraction form
    3,165.03/4,744.80 = 1,215.99/x
  3. Step 3: Cross multiply
    3,165.03x = 4,744.80 × 1,215.99
  4. Step 4: Simplify right side
    3,165.03x = 5,769,629.35
  5. Step 5: Solve for x
    x = 5,769,629.35/3,165.03
  6. Step 6: Final answer
    x = 1,822.93

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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.