Home / 2,268.96-3,400.48-1,975.20

Finding the Fourth Proportional to 2,268.96, 3,400.48 and 1,975.20

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Solution

The fourth proportional to 2,268.96, 3,400.48 and 1,975.20 is: 2,960.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.96 : 3,400.48 = 1,975.20 : x
  2. Step 2: Convert to fraction form
    2,268.96/3,400.48 = 1,975.20/x
  3. Step 3: Cross multiply
    2,268.96x = 3,400.48 × 1,975.20
  4. Step 4: Simplify right side
    2,268.96x = 6,716,628.10
  5. Step 5: Solve for x
    x = 6,716,628.10/2,268.96
  6. Step 6: Final answer
    x = 2,960.22

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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.