Home / 2,990.49-4,489.96-2,004.07

Finding the Fourth Proportional to 2,990.49, 4,489.96 and 2,004.07

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Solution

The fourth proportional to 2,990.49, 4,489.96 and 2,004.07 is: 3,008.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,990.49 : 4,489.96 = 2,004.07 : x
  2. Step 2: Convert to fraction form
    2,990.49/4,489.96 = 2,004.07/x
  3. Step 3: Cross multiply
    2,990.49x = 4,489.96 × 2,004.07
  4. Step 4: Simplify right side
    2,990.49x = 8,998,171.81
  5. Step 5: Solve for x
    x = 8,998,171.81/2,990.49
  6. Step 6: Final answer
    x = 3,008.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.