Home / 2,855.16-3,940.32-1,596.46

Finding the Fourth Proportional to 2,855.16, 3,940.32 and 1,596.46

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Solution

The fourth proportional to 2,855.16, 3,940.32 and 1,596.46 is: 2,203.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855.16 : 3,940.32 = 1,596.46 : x
  2. Step 2: Convert to fraction form
    2,855.16/3,940.32 = 1,596.46/x
  3. Step 3: Cross multiply
    2,855.16x = 3,940.32 × 1,596.46
  4. Step 4: Simplify right side
    2,855.16x = 6,290,563.27
  5. Step 5: Solve for x
    x = 6,290,563.27/2,855.16
  6. Step 6: Final answer
    x = 2,203.23

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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.