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Finding the Fourth Proportional to 3,873.68, 5,810.56 and 1,923.92

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Solution

The fourth proportional to 3,873.68, 5,810.56 and 1,923.92 is: 2,885.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,873.68 : 5,810.56 = 1,923.92 : x
  2. Step 2: Convert to fraction form
    3,873.68/5,810.56 = 1,923.92/x
  3. Step 3: Cross multiply
    3,873.68x = 5,810.56 × 1,923.92
  4. Step 4: Simplify right side
    3,873.68x = 11,179,052.60
  5. Step 5: Solve for x
    x = 11,179,052.60/3,873.68
  6. Step 6: Final answer
    x = 2,885.90

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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.