Home / 2,318.56-3,183.08-1,969.12

Finding the Fourth Proportional to 2,318.56, 3,183.08 and 1,969.12

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Solution

The fourth proportional to 2,318.56, 3,183.08 and 1,969.12 is: 2,703.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318.56 : 3,183.08 = 1,969.12 : x
  2. Step 2: Convert to fraction form
    2,318.56/3,183.08 = 1,969.12/x
  3. Step 3: Cross multiply
    2,318.56x = 3,183.08 × 1,969.12
  4. Step 4: Simplify right side
    2,318.56x = 6,267,866.49
  5. Step 5: Solve for x
    x = 6,267,866.49/2,318.56
  6. Step 6: Final answer
    x = 2,703.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.