Home / 2,268.79-3,130.83-1,324.63

Finding the Fourth Proportional to 2,268.79, 3,130.83 and 1,324.63

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Solution

The fourth proportional to 2,268.79, 3,130.83 and 1,324.63 is: 1,827.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.79 : 3,130.83 = 1,324.63 : x
  2. Step 2: Convert to fraction form
    2,268.79/3,130.83 = 1,324.63/x
  3. Step 3: Cross multiply
    2,268.79x = 3,130.83 × 1,324.63
  4. Step 4: Simplify right side
    2,268.79x = 4,147,195.26
  5. Step 5: Solve for x
    x = 4,147,195.26/2,268.79
  6. Step 6: Final answer
    x = 1,827.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.