Home / 2,336.28-3,224.01-1,288.32

Finding the Fourth Proportional to 2,336.28, 3,224.01 and 1,288.32

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Solution

The fourth proportional to 2,336.28, 3,224.01 and 1,288.32 is: 1,777.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,336.28 : 3,224.01 = 1,288.32 : x
  2. Step 2: Convert to fraction form
    2,336.28/3,224.01 = 1,288.32/x
  3. Step 3: Cross multiply
    2,336.28x = 3,224.01 × 1,288.32
  4. Step 4: Simplify right side
    2,336.28x = 4,153,556.56
  5. Step 5: Solve for x
    x = 4,153,556.56/2,336.28
  6. Step 6: Final answer
    x = 1,777.85

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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.