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Finding the Fourth Proportional to 3,263.70, 4,895.82 and 923.71

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Solution

The fourth proportional to 3,263.70, 4,895.82 and 923.71 is: 1,385.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,263.70 : 4,895.82 = 923.71 : x
  2. Step 2: Convert to fraction form
    3,263.70/4,895.82 = 923.71/x
  3. Step 3: Cross multiply
    3,263.70x = 4,895.82 × 923.71
  4. Step 4: Simplify right side
    3,263.70x = 4,522,317.89
  5. Step 5: Solve for x
    x = 4,522,317.89/3,263.70
  6. Step 6: Final answer
    x = 1,385.64

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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.