Home / 2,110.24-2,912.32-1,400.83

Finding the Fourth Proportional to 2,110.24, 2,912.32 and 1,400.83

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Solution

The fourth proportional to 2,110.24, 2,912.32 and 1,400.83 is: 1,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,110.24 : 2,912.32 = 1,400.83 : x
  2. Step 2: Convert to fraction form
    2,110.24/2,912.32 = 1,400.83/x
  3. Step 3: Cross multiply
    2,110.24x = 2,912.32 × 1,400.83
  4. Step 4: Simplify right side
    2,110.24x = 4,079,665.36
  5. Step 5: Solve for x
    x = 4,079,665.36/2,110.24
  6. Step 6: Final answer
    x = 1,933.27

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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.