Home / 2,162.16-3,240.20-1,236.33

Finding the Fourth Proportional to 2,162.16, 3,240.20 and 1,236.33

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Solution

The fourth proportional to 2,162.16, 3,240.20 and 1,236.33 is: 1,852.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162.16 : 3,240.20 = 1,236.33 : x
  2. Step 2: Convert to fraction form
    2,162.16/3,240.20 = 1,236.33/x
  3. Step 3: Cross multiply
    2,162.16x = 3,240.20 × 1,236.33
  4. Step 4: Simplify right side
    2,162.16x = 4,005,950.28
  5. Step 5: Solve for x
    x = 4,005,950.28/2,162.16
  6. Step 6: Final answer
    x = 1,852.75

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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.