Home / 3,165.28-4,366.37-1,905.58

Finding the Fourth Proportional to 3,165.28, 4,366.37 and 1,905.58

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Solution

The fourth proportional to 3,165.28, 4,366.37 and 1,905.58 is: 2,628.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.28 : 4,366.37 = 1,905.58 : x
  2. Step 2: Convert to fraction form
    3,165.28/4,366.37 = 1,905.58/x
  3. Step 3: Cross multiply
    3,165.28x = 4,366.37 × 1,905.58
  4. Step 4: Simplify right side
    3,165.28x = 8,320,467.34
  5. Step 5: Solve for x
    x = 8,320,467.34/3,165.28
  6. Step 6: Final answer
    x = 2,628.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.