Home / 2,367.63-3,268.67-2,128.28

Finding the Fourth Proportional to 2,367.63, 3,268.67 and 2,128.28

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Solution

The fourth proportional to 2,367.63, 3,268.67 and 2,128.28 is: 2,938.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,367.63 : 3,268.67 = 2,128.28 : x
  2. Step 2: Convert to fraction form
    2,367.63/3,268.67 = 2,128.28/x
  3. Step 3: Cross multiply
    2,367.63x = 3,268.67 × 2,128.28
  4. Step 4: Simplify right side
    2,367.63x = 6,956,618.00
  5. Step 5: Solve for x
    x = 6,956,618.00/2,367.63
  6. Step 6: Final answer
    x = 2,938.22

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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.