Home / 3,166.75-4,370.81-2,106.35

Finding the Fourth Proportional to 3,166.75, 4,370.81 and 2,106.35

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Solution

The fourth proportional to 3,166.75, 4,370.81 and 2,106.35 is: 2,907.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.75 : 4,370.81 = 2,106.35 : x
  2. Step 2: Convert to fraction form
    3,166.75/4,370.81 = 2,106.35/x
  3. Step 3: Cross multiply
    3,166.75x = 4,370.81 × 2,106.35
  4. Step 4: Simplify right side
    3,166.75x = 9,206,476.08
  5. Step 5: Solve for x
    x = 9,206,476.08/3,166.75
  6. Step 6: Final answer
    x = 2,907.24

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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.