Home / 3,253-4,880.12-1,305.36

Finding the Fourth Proportional to 3,253, 4,880.12 and 1,305.36

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Solution

The fourth proportional to 3,253, 4,880.12 and 1,305.36 is: 1,958.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,253 : 4,880.12 = 1,305.36 : x
  2. Step 2: Convert to fraction form
    3,253/4,880.12 = 1,305.36/x
  3. Step 3: Cross multiply
    3,253x = 4,880.12 × 1,305.36
  4. Step 4: Simplify right side
    3,253x = 6,370,282.52
  5. Step 5: Solve for x
    x = 6,370,282.52/3,253
  6. Step 6: Final answer
    x = 1,958.28

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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.