Home / 3,165.04-4,748.81-1,216.72

Finding the Fourth Proportional to 3,165.04, 4,748.81 and 1,216.72

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Solution

The fourth proportional to 3,165.04, 4,748.81 and 1,216.72 is: 1,825.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.04 : 4,748.81 = 1,216.72 : x
  2. Step 2: Convert to fraction form
    3,165.04/4,748.81 = 1,216.72/x
  3. Step 3: Cross multiply
    3,165.04x = 4,748.81 × 1,216.72
  4. Step 4: Simplify right side
    3,165.04x = 5,777,972.10
  5. Step 5: Solve for x
    x = 5,777,972.10/3,165.04
  6. Step 6: Final answer
    x = 1,825.56

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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.