Home / 2,996.60-4,131.61-2,331.99

Finding the Fourth Proportional to 2,996.60, 4,131.61 and 2,331.99

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Solution

The fourth proportional to 2,996.60, 4,131.61 and 2,331.99 is: 3,215.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.60 : 4,131.61 = 2,331.99 : x
  2. Step 2: Convert to fraction form
    2,996.60/4,131.61 = 2,331.99/x
  3. Step 3: Cross multiply
    2,996.60x = 4,131.61 × 2,331.99
  4. Step 4: Simplify right side
    2,996.60x = 9,634,867.37
  5. Step 5: Solve for x
    x = 9,634,867.37/2,996.60
  6. Step 6: Final answer
    x = 3,215.27

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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.