Home / 2,504.58-3,455.25-1,620.48

Finding the Fourth Proportional to 2,504.58, 3,455.25 and 1,620.48

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Solution

The fourth proportional to 2,504.58, 3,455.25 and 1,620.48 is: 2,235.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,504.58 : 3,455.25 = 1,620.48 : x
  2. Step 2: Convert to fraction form
    2,504.58/3,455.25 = 1,620.48/x
  3. Step 3: Cross multiply
    2,504.58x = 3,455.25 × 1,620.48
  4. Step 4: Simplify right side
    2,504.58x = 5,599,163.52
  5. Step 5: Solve for x
    x = 5,599,163.52/2,504.58
  6. Step 6: Final answer
    x = 2,235.57

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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.