Home / 2,261.36-3,126.12-2,028.08

Finding the Fourth Proportional to 2,261.36, 3,126.12 and 2,028.08

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Solution

The fourth proportional to 2,261.36, 3,126.12 and 2,028.08 is: 2,803.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.36 : 3,126.12 = 2,028.08 : x
  2. Step 2: Convert to fraction form
    2,261.36/3,126.12 = 2,028.08/x
  3. Step 3: Cross multiply
    2,261.36x = 3,126.12 × 2,028.08
  4. Step 4: Simplify right side
    2,261.36x = 6,340,021.45
  5. Step 5: Solve for x
    x = 6,340,021.45/2,261.36
  6. Step 6: Final answer
    x = 2,803.63

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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.