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Finding the Fourth Proportional to 3,203.81, 4,806.53 and 895.31

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Solution

The fourth proportional to 3,203.81, 4,806.53 and 895.31 is: 1,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.81 : 4,806.53 = 895.31 : x
  2. Step 2: Convert to fraction form
    3,203.81/4,806.53 = 895.31/x
  3. Step 3: Cross multiply
    3,203.81x = 4,806.53 × 895.31
  4. Step 4: Simplify right side
    3,203.81x = 4,303,348.63
  5. Step 5: Solve for x
    x = 4,303,348.63/3,203.81
  6. Step 6: Final answer
    x = 1,343.20

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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.