Home / 3,185.26-4,392.30-2,066.20

Finding the Fourth Proportional to 3,185.26, 4,392.30 and 2,066.20

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Solution

The fourth proportional to 3,185.26, 4,392.30 and 2,066.20 is: 2,849.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,185.26 : 4,392.30 = 2,066.20 : x
  2. Step 2: Convert to fraction form
    3,185.26/4,392.30 = 2,066.20/x
  3. Step 3: Cross multiply
    3,185.26x = 4,392.30 × 2,066.20
  4. Step 4: Simplify right side
    3,185.26x = 9,075,370.26
  5. Step 5: Solve for x
    x = 9,075,370.26/3,185.26
  6. Step 6: Final answer
    x = 2,849.18

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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.