Home / 3,040.81-4,168.96-2,985.46

Finding the Fourth Proportional to 3,040.81, 4,168.96 and 2,985.46

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Solution

The fourth proportional to 3,040.81, 4,168.96 and 2,985.46 is: 4,093.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.81 : 4,168.96 = 2,985.46 : x
  2. Step 2: Convert to fraction form
    3,040.81/4,168.96 = 2,985.46/x
  3. Step 3: Cross multiply
    3,040.81x = 4,168.96 × 2,985.46
  4. Step 4: Simplify right side
    3,040.81x = 12,446,245.44
  5. Step 5: Solve for x
    x = 12,446,245.44/3,040.81
  6. Step 6: Final answer
    x = 4,093.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.