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Finding the Fourth Proportional to 3,365.75, 4,644.61 and 1,873.73

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Solution

The fourth proportional to 3,365.75, 4,644.61 and 1,873.73 is: 2,585.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.75 : 4,644.61 = 1,873.73 : x
  2. Step 2: Convert to fraction form
    3,365.75/4,644.61 = 1,873.73/x
  3. Step 3: Cross multiply
    3,365.75x = 4,644.61 × 1,873.73
  4. Step 4: Simplify right side
    3,365.75x = 8,702,717.19
  5. Step 5: Solve for x
    x = 8,702,717.19/3,365.75
  6. Step 6: Final answer
    x = 2,585.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.