Home / 2,795.90-4,185.63-1,960.06

Finding the Fourth Proportional to 2,795.90, 4,185.63 and 1,960.06

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Solution

The fourth proportional to 2,795.90, 4,185.63 and 1,960.06 is: 2,934.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,795.90 : 4,185.63 = 1,960.06 : x
  2. Step 2: Convert to fraction form
    2,795.90/4,185.63 = 1,960.06/x
  3. Step 3: Cross multiply
    2,795.90x = 4,185.63 × 1,960.06
  4. Step 4: Simplify right side
    2,795.90x = 8,204,065.01
  5. Step 5: Solve for x
    x = 8,204,065.01/2,795.90
  6. Step 6: Final answer
    x = 2,934.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.