Home / 3,011.99-4,519.19-1,369.31

Finding the Fourth Proportional to 3,011.99, 4,519.19 and 1,369.31

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Solution

The fourth proportional to 3,011.99, 4,519.19 and 1,369.31 is: 2,054.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,011.99 : 4,519.19 = 1,369.31 : x
  2. Step 2: Convert to fraction form
    3,011.99/4,519.19 = 1,369.31/x
  3. Step 3: Cross multiply
    3,011.99x = 4,519.19 × 1,369.31
  4. Step 4: Simplify right side
    3,011.99x = 6,188,152.89
  5. Step 5: Solve for x
    x = 6,188,152.89/3,011.99
  6. Step 6: Final answer
    x = 2,054.51

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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.