Home / 3,165.21-4,748.81-2,242.58

Finding the Fourth Proportional to 3,165.21, 4,748.81 and 2,242.58

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Solution

The fourth proportional to 3,165.21, 4,748.81 and 2,242.58 is: 3,364.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.21 : 4,748.81 = 2,242.58 : x
  2. Step 2: Convert to fraction form
    3,165.21/4,748.81 = 2,242.58/x
  3. Step 3: Cross multiply
    3,165.21x = 4,748.81 × 2,242.58
  4. Step 4: Simplify right side
    3,165.21x = 10,649,551.37
  5. Step 5: Solve for x
    x = 10,649,551.37/3,165.21
  6. Step 6: Final answer
    x = 3,364.56

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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.