Home / 3,069.51-4,231.67-2,073.21

Finding the Fourth Proportional to 3,069.51, 4,231.67 and 2,073.21

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Solution

The fourth proportional to 3,069.51, 4,231.67 and 2,073.21 is: 2,858.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.51 : 4,231.67 = 2,073.21 : x
  2. Step 2: Convert to fraction form
    3,069.51/4,231.67 = 2,073.21/x
  3. Step 3: Cross multiply
    3,069.51x = 4,231.67 × 2,073.21
  4. Step 4: Simplify right side
    3,069.51x = 8,773,140.56
  5. Step 5: Solve for x
    x = 8,773,140.56/3,069.51
  6. Step 6: Final answer
    x = 2,858.16

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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.