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Finding the Fourth Proportional to 3,972.60, 5,958.72 and 1,050.84

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Solution

The fourth proportional to 3,972.60, 5,958.72 and 1,050.84 is: 1,576.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,972.60 : 5,958.72 = 1,050.84 : x
  2. Step 2: Convert to fraction form
    3,972.60/5,958.72 = 1,050.84/x
  3. Step 3: Cross multiply
    3,972.60x = 5,958.72 × 1,050.84
  4. Step 4: Simplify right side
    3,972.60x = 6,261,661.32
  5. Step 5: Solve for x
    x = 6,261,661.32/3,972.60
  6. Step 6: Final answer
    x = 1,576.21

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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.