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Finding the Fourth Proportional to 3,955.46, 5,933.63 and 1,763.91

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Solution

The fourth proportional to 3,955.46, 5,933.63 and 1,763.91 is: 2,646.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,955.46 : 5,933.63 = 1,763.91 : x
  2. Step 2: Convert to fraction form
    3,955.46/5,933.63 = 1,763.91/x
  3. Step 3: Cross multiply
    3,955.46x = 5,933.63 × 1,763.91
  4. Step 4: Simplify right side
    3,955.46x = 10,466,393.70
  5. Step 5: Solve for x
    x = 10,466,393.70/3,955.46
  6. Step 6: Final answer
    x = 2,646.07

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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.