Home / 3,163.12-4,363.60-1,903.60

Finding the Fourth Proportional to 3,163.12, 4,363.60 and 1,903.60

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Solution

The fourth proportional to 3,163.12, 4,363.60 and 1,903.60 is: 2,626.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.12 : 4,363.60 = 1,903.60 : x
  2. Step 2: Convert to fraction form
    3,163.12/4,363.60 = 1,903.60/x
  3. Step 3: Cross multiply
    3,163.12x = 4,363.60 × 1,903.60
  4. Step 4: Simplify right side
    3,163.12x = 8,306,548.96
  5. Step 5: Solve for x
    x = 8,306,548.96/3,163.12
  6. Step 6: Final answer
    x = 2,626.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.