Home / 3,137.09-4,334.09-2,669.99

Finding the Fourth Proportional to 3,137.09, 4,334.09 and 2,669.99

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Solution

The fourth proportional to 3,137.09, 4,334.09 and 2,669.99 is: 3,688.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,137.09 : 4,334.09 = 2,669.99 : x
  2. Step 2: Convert to fraction form
    3,137.09/4,334.09 = 2,669.99/x
  3. Step 3: Cross multiply
    3,137.09x = 4,334.09 × 2,669.99
  4. Step 4: Simplify right side
    3,137.09x = 11,571,941.94
  5. Step 5: Solve for x
    x = 11,571,941.94/3,137.09
  6. Step 6: Final answer
    x = 3,688.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.