Home / 3,039.05-4,185.47-2,339.21

Finding the Fourth Proportional to 3,039.05, 4,185.47 and 2,339.21

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Solution

The fourth proportional to 3,039.05, 4,185.47 and 2,339.21 is: 3,221.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.05 : 4,185.47 = 2,339.21 : x
  2. Step 2: Convert to fraction form
    3,039.05/4,185.47 = 2,339.21/x
  3. Step 3: Cross multiply
    3,039.05x = 4,185.47 × 2,339.21
  4. Step 4: Simplify right side
    3,039.05x = 9,790,681.58
  5. Step 5: Solve for x
    x = 9,790,681.58/3,039.05
  6. Step 6: Final answer
    x = 3,221.63

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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.