Home / 3,163.02-4,743.30-1,313.18

Finding the Fourth Proportional to 3,163.02, 4,743.30 and 1,313.18

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Solution

The fourth proportional to 3,163.02, 4,743.30 and 1,313.18 is: 1,969.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.02 : 4,743.30 = 1,313.18 : x
  2. Step 2: Convert to fraction form
    3,163.02/4,743.30 = 1,313.18/x
  3. Step 3: Cross multiply
    3,163.02x = 4,743.30 × 1,313.18
  4. Step 4: Simplify right side
    3,163.02x = 6,228,782.98
  5. Step 5: Solve for x
    x = 6,228,782.98/3,163.02
  6. Step 6: Final answer
    x = 1,969.25

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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.