Home / 3,040.90-4,196.01-2,157.46

Finding the Fourth Proportional to 3,040.90, 4,196.01 and 2,157.46

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Solution

The fourth proportional to 3,040.90, 4,196.01 and 2,157.46 is: 2,976.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,040.90 : 4,196.01 = 2,157.46 : x
  2. Step 2: Convert to fraction form
    3,040.90/4,196.01 = 2,157.46/x
  3. Step 3: Cross multiply
    3,040.90x = 4,196.01 × 2,157.46
  4. Step 4: Simplify right side
    3,040.90x = 9,052,723.73
  5. Step 5: Solve for x
    x = 9,052,723.73/3,040.90
  6. Step 6: Final answer
    x = 2,976.99

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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.