Home / 2,268.12-3,128.42-1,597.32

Finding the Fourth Proportional to 2,268.12, 3,128.42 and 1,597.32

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Solution

The fourth proportional to 2,268.12, 3,128.42 and 1,597.32 is: 2,203.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,268.12 : 3,128.42 = 1,597.32 : x
  2. Step 2: Convert to fraction form
    2,268.12/3,128.42 = 1,597.32/x
  3. Step 3: Cross multiply
    2,268.12x = 3,128.42 × 1,597.32
  4. Step 4: Simplify right side
    2,268.12x = 4,997,079.85
  5. Step 5: Solve for x
    x = 4,997,079.85/2,268.12
  6. Step 6: Final answer
    x = 2,203.18

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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.