Home / 2,268.68-3,403.08-1,172.34

Finding the Fourth Proportional to 2,268.68, 3,403.08 and 1,172.34

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Solution

The fourth proportional to 2,268.68, 3,403.08 and 1,172.34 is: 1,758.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.68 : 3,403.08 = 1,172.34 : x
  2. Step 2: Convert to fraction form
    2,268.68/3,403.08 = 1,172.34/x
  3. Step 3: Cross multiply
    2,268.68x = 3,403.08 × 1,172.34
  4. Step 4: Simplify right side
    2,268.68x = 3,989,566.81
  5. Step 5: Solve for x
    x = 3,989,566.81/2,268.68
  6. Step 6: Final answer
    x = 1,758.54

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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.