Home / 3,650.54-5,037.86-2,078.60

Finding the Fourth Proportional to 3,650.54, 5,037.86 and 2,078.60

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Solution

The fourth proportional to 3,650.54, 5,037.86 and 2,078.60 is: 2,868.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.54 : 5,037.86 = 2,078.60 : x
  2. Step 2: Convert to fraction form
    3,650.54/5,037.86 = 2,078.60/x
  3. Step 3: Cross multiply
    3,650.54x = 5,037.86 × 2,078.60
  4. Step 4: Simplify right side
    3,650.54x = 10,471,675.80
  5. Step 5: Solve for x
    x = 10,471,675.80/3,650.54
  6. Step 6: Final answer
    x = 2,868.53

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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.