Home / 3,153.28-4,727.68-1,203.84

Finding the Fourth Proportional to 3,153.28, 4,727.68 and 1,203.84

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Solution

The fourth proportional to 3,153.28, 4,727.68 and 1,203.84 is: 1,804.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.28 : 4,727.68 = 1,203.84 : x
  2. Step 2: Convert to fraction form
    3,153.28/4,727.68 = 1,203.84/x
  3. Step 3: Cross multiply
    3,153.28x = 4,727.68 × 1,203.84
  4. Step 4: Simplify right side
    3,153.28x = 5,691,370.29
  5. Step 5: Solve for x
    x = 5,691,370.29/3,153.28
  6. Step 6: Final answer
    x = 1,804.90

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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.