Home / 3,247.75-4,871.40-1,056.43

Finding the Fourth Proportional to 3,247.75, 4,871.40 and 1,056.43

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Solution

The fourth proportional to 3,247.75, 4,871.40 and 1,056.43 is: 1,584.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.75 : 4,871.40 = 1,056.43 : x
  2. Step 2: Convert to fraction form
    3,247.75/4,871.40 = 1,056.43/x
  3. Step 3: Cross multiply
    3,247.75x = 4,871.40 × 1,056.43
  4. Step 4: Simplify right side
    3,247.75x = 5,146,293.10
  5. Step 5: Solve for x
    x = 5,146,293.10/3,247.75
  6. Step 6: Final answer
    x = 1,584.57

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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.