Home / 3,102.09-4,268.37-3,028.28

Finding the Fourth Proportional to 3,102.09, 4,268.37 and 3,028.28

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Solution

The fourth proportional to 3,102.09, 4,268.37 and 3,028.28 is: 4,166.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.09 : 4,268.37 = 3,028.28 : x
  2. Step 2: Convert to fraction form
    3,102.09/4,268.37 = 3,028.28/x
  3. Step 3: Cross multiply
    3,102.09x = 4,268.37 × 3,028.28
  4. Step 4: Simplify right side
    3,102.09x = 12,925,798.16
  5. Step 5: Solve for x
    x = 12,925,798.16/3,102.09
  6. Step 6: Final answer
    x = 4,166.80

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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.