Home / 3,069.95-4,232.82-2,388.79

Finding the Fourth Proportional to 3,069.95, 4,232.82 and 2,388.79

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Solution

The fourth proportional to 3,069.95, 4,232.82 and 2,388.79 is: 3,293.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.95 : 4,232.82 = 2,388.79 : x
  2. Step 2: Convert to fraction form
    3,069.95/4,232.82 = 2,388.79/x
  3. Step 3: Cross multiply
    3,069.95x = 4,232.82 × 2,388.79
  4. Step 4: Simplify right side
    3,069.95x = 10,111,284.98
  5. Step 5: Solve for x
    x = 10,111,284.98/3,069.95
  6. Step 6: Final answer
    x = 3,293.63

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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.