Home / 3,007.35-4,149.64-2,765.41

Finding the Fourth Proportional to 3,007.35, 4,149.64 and 2,765.41

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Solution

The fourth proportional to 3,007.35, 4,149.64 and 2,765.41 is: 3,815.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.35 : 4,149.64 = 2,765.41 : x
  2. Step 2: Convert to fraction form
    3,007.35/4,149.64 = 2,765.41/x
  3. Step 3: Cross multiply
    3,007.35x = 4,149.64 × 2,765.41
  4. Step 4: Simplify right side
    3,007.35x = 11,475,457.68
  5. Step 5: Solve for x
    x = 11,475,457.68/3,007.35
  6. Step 6: Final answer
    x = 3,815.81

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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.