Home / 3,247.72-4,871.54-1,056.53

Finding the Fourth Proportional to 3,247.72, 4,871.54 and 1,056.53

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Solution

The fourth proportional to 3,247.72, 4,871.54 and 1,056.53 is: 1,584.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.72 : 4,871.54 = 1,056.53 : x
  2. Step 2: Convert to fraction form
    3,247.72/4,871.54 = 1,056.53/x
  3. Step 3: Cross multiply
    3,247.72x = 4,871.54 × 1,056.53
  4. Step 4: Simplify right side
    3,247.72x = 5,146,942.98
  5. Step 5: Solve for x
    x = 5,146,942.98/3,247.72
  6. Step 6: Final answer
    x = 1,584.79

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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.