Home / 2,992.37-4,129.56-1,666.04

Finding the Fourth Proportional to 2,992.37, 4,129.56 and 1,666.04

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Solution

The fourth proportional to 2,992.37, 4,129.56 and 1,666.04 is: 2,299.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,992.37 : 4,129.56 = 1,666.04 : x
  2. Step 2: Convert to fraction form
    2,992.37/4,129.56 = 1,666.04/x
  3. Step 3: Cross multiply
    2,992.37x = 4,129.56 × 1,666.04
  4. Step 4: Simplify right side
    2,992.37x = 6,879,991.49
  5. Step 5: Solve for x
    x = 6,879,991.49/2,992.37
  6. Step 6: Final answer
    x = 2,299.18

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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.