Home / 2,268.36-3,130.56-1,523.86

Finding the Fourth Proportional to 2,268.36, 3,130.56 and 1,523.86

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Solution

The fourth proportional to 2,268.36, 3,130.56 and 1,523.86 is: 2,103.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.36 : 3,130.56 = 1,523.86 : x
  2. Step 2: Convert to fraction form
    2,268.36/3,130.56 = 1,523.86/x
  3. Step 3: Cross multiply
    2,268.36x = 3,130.56 × 1,523.86
  4. Step 4: Simplify right side
    2,268.36x = 4,770,535.16
  5. Step 5: Solve for x
    x = 4,770,535.16/2,268.36
  6. Step 6: Final answer
    x = 2,103.08

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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.