Home / 3,165.96-4,750.66-1,318.36

Finding the Fourth Proportional to 3,165.96, 4,750.66 and 1,318.36

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Solution

The fourth proportional to 3,165.96, 4,750.66 and 1,318.36 is: 1,978.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,165.96 : 4,750.66 = 1,318.36 : x
  2. Step 2: Convert to fraction form
    3,165.96/4,750.66 = 1,318.36/x
  3. Step 3: Cross multiply
    3,165.96x = 4,750.66 × 1,318.36
  4. Step 4: Simplify right side
    3,165.96x = 6,263,080.12
  5. Step 5: Solve for x
    x = 6,263,080.12/3,165.96
  6. Step 6: Final answer
    x = 1,978.26

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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.