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Finding the Fourth Proportional to 3,263.74, 4,895.17 and 923.92

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Solution

The fourth proportional to 3,263.74, 4,895.17 and 923.92 is: 1,385.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.74 : 4,895.17 = 923.92 : x
  2. Step 2: Convert to fraction form
    3,263.74/4,895.17 = 923.92/x
  3. Step 3: Cross multiply
    3,263.74x = 4,895.17 × 923.92
  4. Step 4: Simplify right side
    3,263.74x = 4,522,745.47
  5. Step 5: Solve for x
    x = 4,522,745.47/3,263.74
  6. Step 6: Final answer
    x = 1,385.76

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1.5x scale

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.