Home / 4,091.31-5,645.97-2,228.31

Finding the Fourth Proportional to 4,091.31, 5,645.97 and 2,228.31

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Solution

The fourth proportional to 4,091.31, 5,645.97 and 2,228.31 is: 3,075.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.31 : 5,645.97 = 2,228.31 : x
  2. Step 2: Convert to fraction form
    4,091.31/5,645.97 = 2,228.31/x
  3. Step 3: Cross multiply
    4,091.31x = 5,645.97 × 2,228.31
  4. Step 4: Simplify right side
    4,091.31x = 12,580,971.41
  5. Step 5: Solve for x
    x = 12,580,971.41/4,091.31
  6. Step 6: Final answer
    x = 3,075.05

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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.