Home / 3,040.74-4,199.49-2,999.70

Finding the Fourth Proportional to 3,040.74, 4,199.49 and 2,999.70

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Solution

The fourth proportional to 3,040.74, 4,199.49 and 2,999.70 is: 4,142.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.74 : 4,199.49 = 2,999.70 : x
  2. Step 2: Convert to fraction form
    3,040.74/4,199.49 = 2,999.70/x
  3. Step 3: Cross multiply
    3,040.74x = 4,199.49 × 2,999.70
  4. Step 4: Simplify right side
    3,040.74x = 12,597,210.15
  5. Step 5: Solve for x
    x = 12,597,210.15/3,040.74
  6. Step 6: Final answer
    x = 4,142.81

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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.