Home / 2,268.47-3,130.57-1,324.86

Finding the Fourth Proportional to 2,268.47, 3,130.57 and 1,324.86

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Solution

The fourth proportional to 2,268.47, 3,130.57 and 1,324.86 is: 1,828.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.47 : 3,130.57 = 1,324.86 : x
  2. Step 2: Convert to fraction form
    2,268.47/3,130.57 = 1,324.86/x
  3. Step 3: Cross multiply
    2,268.47x = 3,130.57 × 1,324.86
  4. Step 4: Simplify right side
    2,268.47x = 4,147,560.35
  5. Step 5: Solve for x
    x = 4,147,560.35/2,268.47
  6. Step 6: Final answer
    x = 1,828.36

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1.5x scale

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.