Home / 3,315.42-4,973.13-850.25

Finding the Fourth Proportional to 3,315.42, 4,973.13 and 850.25

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Solution

The fourth proportional to 3,315.42, 4,973.13 and 850.25 is: 1,275.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,315.42 : 4,973.13 = 850.25 : x
  2. Step 2: Convert to fraction form
    3,315.42/4,973.13 = 850.25/x
  3. Step 3: Cross multiply
    3,315.42x = 4,973.13 × 850.25
  4. Step 4: Simplify right side
    3,315.42x = 4,228,416.22
  5. Step 5: Solve for x
    x = 4,228,416.22/3,315.42
  6. Step 6: Final answer
    x = 1,275.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.