Home / 3,650.40-5,037.59-2,078.19

Finding the Fourth Proportional to 3,650.40, 5,037.59 and 2,078.19

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Solution

The fourth proportional to 3,650.40, 5,037.59 and 2,078.19 is: 2,867.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,650.40 : 5,037.59 = 2,078.19 : x
  2. Step 2: Convert to fraction form
    3,650.40/5,037.59 = 2,078.19/x
  3. Step 3: Cross multiply
    3,650.40x = 5,037.59 × 2,078.19
  4. Step 4: Simplify right side
    3,650.40x = 10,469,074.36
  5. Step 5: Solve for x
    x = 10,469,074.36/3,650.40
  6. Step 6: Final answer
    x = 2,867.93

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Half scale
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Double scale
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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.