Home / 3,018.21-4,164.99-1,673.85

Finding the Fourth Proportional to 3,018.21, 4,164.99 and 1,673.85

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Solution

The fourth proportional to 3,018.21, 4,164.99 and 1,673.85 is: 2,309.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.21 : 4,164.99 = 1,673.85 : x
  2. Step 2: Convert to fraction form
    3,018.21/4,164.99 = 1,673.85/x
  3. Step 3: Cross multiply
    3,018.21x = 4,164.99 × 1,673.85
  4. Step 4: Simplify right side
    3,018.21x = 6,971,568.51
  5. Step 5: Solve for x
    x = 6,971,568.51/3,018.21
  6. Step 6: Final answer
    x = 2,309.84

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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.