Home / 2,855.29-3,940.49-1,596.59

Finding the Fourth Proportional to 2,855.29, 3,940.49 and 1,596.59

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Solution

The fourth proportional to 2,855.29, 3,940.49 and 1,596.59 is: 2,203.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855.29 : 3,940.49 = 1,596.59 : x
  2. Step 2: Convert to fraction form
    2,855.29/3,940.49 = 1,596.59/x
  3. Step 3: Cross multiply
    2,855.29x = 3,940.49 × 1,596.59
  4. Step 4: Simplify right side
    2,855.29x = 6,291,346.93
  5. Step 5: Solve for x
    x = 6,291,346.93/2,855.29
  6. Step 6: Final answer
    x = 2,203.40

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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.