Home / 3,219.44-4,826.73-1,271.12

Finding the Fourth Proportional to 3,219.44, 4,826.73 and 1,271.12

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Solution

The fourth proportional to 3,219.44, 4,826.73 and 1,271.12 is: 1,905.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.44 : 4,826.73 = 1,271.12 : x
  2. Step 2: Convert to fraction form
    3,219.44/4,826.73 = 1,271.12/x
  3. Step 3: Cross multiply
    3,219.44x = 4,826.73 × 1,271.12
  4. Step 4: Simplify right side
    3,219.44x = 6,135,353.04
  5. Step 5: Solve for x
    x = 6,135,353.04/3,219.44
  6. Step 6: Final answer
    x = 1,905.72

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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.