Home / 4,037.50-5,571.99-2,690.79

Finding the Fourth Proportional to 4,037.50, 5,571.99 and 2,690.79

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Solution

The fourth proportional to 4,037.50, 5,571.99 and 2,690.79 is: 3,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,037.50 : 5,571.99 = 2,690.79 : x
  2. Step 2: Convert to fraction form
    4,037.50/5,571.99 = 2,690.79/x
  3. Step 3: Cross multiply
    4,037.50x = 5,571.99 × 2,690.79
  4. Step 4: Simplify right side
    4,037.50x = 14,993,054.97
  5. Step 5: Solve for x
    x = 14,993,054.97/4,037.50
  6. Step 6: Final answer
    x = 3,713.45

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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.