Home / 2,195.06-3,291.36-1,935.64

Finding the Fourth Proportional to 2,195.06, 3,291.36 and 1,935.64

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Solution

The fourth proportional to 2,195.06, 3,291.36 and 1,935.64 is: 2,902.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,195.06 : 3,291.36 = 1,935.64 : x
  2. Step 2: Convert to fraction form
    2,195.06/3,291.36 = 1,935.64/x
  3. Step 3: Cross multiply
    2,195.06x = 3,291.36 × 1,935.64
  4. Step 4: Simplify right side
    2,195.06x = 6,370,888.07
  5. Step 5: Solve for x
    x = 6,370,888.07/2,195.06
  6. Step 6: Final answer
    x = 2,902.38

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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.