Home / 3,110.37-4,665.51-1,260.99

Finding the Fourth Proportional to 3,110.37, 4,665.51 and 1,260.99

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Solution

The fourth proportional to 3,110.37, 4,665.51 and 1,260.99 is: 1,891.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,110.37 : 4,665.51 = 1,260.99 : x
  2. Step 2: Convert to fraction form
    3,110.37/4,665.51 = 1,260.99/x
  3. Step 3: Cross multiply
    3,110.37x = 4,665.51 × 1,260.99
  4. Step 4: Simplify right side
    3,110.37x = 5,883,161.45
  5. Step 5: Solve for x
    x = 5,883,161.45/3,110.37
  6. Step 6: Final answer
    x = 1,891.47

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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.