Home / 2,999.82-4,139.35-1,740.79

Finding the Fourth Proportional to 2,999.82, 4,139.35 and 1,740.79

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Solution

The fourth proportional to 2,999.82, 4,139.35 and 1,740.79 is: 2,402.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.82 : 4,139.35 = 1,740.79 : x
  2. Step 2: Convert to fraction form
    2,999.82/4,139.35 = 1,740.79/x
  3. Step 3: Cross multiply
    2,999.82x = 4,139.35 × 1,740.79
  4. Step 4: Simplify right side
    2,999.82x = 7,205,739.09
  5. Step 5: Solve for x
    x = 7,205,739.09/2,999.82
  6. Step 6: Final answer
    x = 2,402.06

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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.