Home / 2,999.19-4,501.14-2,081.21

Finding the Fourth Proportional to 2,999.19, 4,501.14 and 2,081.21

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Solution

The fourth proportional to 2,999.19, 4,501.14 and 2,081.21 is: 3,123.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.19 : 4,501.14 = 2,081.21 : x
  2. Step 2: Convert to fraction form
    2,999.19/4,501.14 = 2,081.21/x
  3. Step 3: Cross multiply
    2,999.19x = 4,501.14 × 2,081.21
  4. Step 4: Simplify right side
    2,999.19x = 9,367,795.07
  5. Step 5: Solve for x
    x = 9,367,795.07/2,999.19
  6. Step 6: Final answer
    x = 3,123.44

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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.