Home / 2,458.23-3,391.78-1,619.07

Finding the Fourth Proportional to 2,458.23, 3,391.78 and 1,619.07

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Solution

The fourth proportional to 2,458.23, 3,391.78 and 1,619.07 is: 2,233.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,458.23 : 3,391.78 = 1,619.07 : x
  2. Step 2: Convert to fraction form
    2,458.23/3,391.78 = 1,619.07/x
  3. Step 3: Cross multiply
    2,458.23x = 3,391.78 × 1,619.07
  4. Step 4: Simplify right side
    2,458.23x = 5,491,529.24
  5. Step 5: Solve for x
    x = 5,491,529.24/2,458.23
  6. Step 6: Final answer
    x = 2,233.94

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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.