Home / 3,388.62-5,053.16-3,119.38

Finding the Fourth Proportional to 3,388.62, 5,053.16 and 3,119.38

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Solution

The fourth proportional to 3,388.62, 5,053.16 and 3,119.38 is: 4,651.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,388.62 : 5,053.16 = 3,119.38 : x
  2. Step 2: Convert to fraction form
    3,388.62/5,053.16 = 3,119.38/x
  3. Step 3: Cross multiply
    3,388.62x = 5,053.16 × 3,119.38
  4. Step 4: Simplify right side
    3,388.62x = 15,762,726.24
  5. Step 5: Solve for x
    x = 15,762,726.24/3,388.62
  6. Step 6: Final answer
    x = 4,651.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.