Home / 3,039.70-4,184.25-2,621.44

Finding the Fourth Proportional to 3,039.70, 4,184.25 and 2,621.44

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Solution

The fourth proportional to 3,039.70, 4,184.25 and 2,621.44 is: 3,608.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.70 : 4,184.25 = 2,621.44 : x
  2. Step 2: Convert to fraction form
    3,039.70/4,184.25 = 2,621.44/x
  3. Step 3: Cross multiply
    3,039.70x = 4,184.25 × 2,621.44
  4. Step 4: Simplify right side
    3,039.70x = 10,968,760.32
  5. Step 5: Solve for x
    x = 10,968,760.32/3,039.70
  6. Step 6: Final answer
    x = 3,608.50

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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.