Home / 3,115.05-4,673.91-1,035.33

Finding the Fourth Proportional to 3,115.05, 4,673.91 and 1,035.33

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Solution

The fourth proportional to 3,115.05, 4,673.91 and 1,035.33 is: 1,553.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.05 : 4,673.91 = 1,035.33 : x
  2. Step 2: Convert to fraction form
    3,115.05/4,673.91 = 1,035.33/x
  3. Step 3: Cross multiply
    3,115.05x = 4,673.91 × 1,035.33
  4. Step 4: Simplify right side
    3,115.05x = 4,839,039.24
  5. Step 5: Solve for x
    x = 4,839,039.24/3,115.05
  6. Step 6: Final answer
    x = 1,553.44

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1.5x scale

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.