Home / 2,999.62-4,139.48-1,673.29

Finding the Fourth Proportional to 2,999.62, 4,139.48 and 1,673.29

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Solution

The fourth proportional to 2,999.62, 4,139.48 and 1,673.29 is: 2,309.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.62 : 4,139.48 = 1,673.29 : x
  2. Step 2: Convert to fraction form
    2,999.62/4,139.48 = 1,673.29/x
  3. Step 3: Cross multiply
    2,999.62x = 4,139.48 × 1,673.29
  4. Step 4: Simplify right side
    2,999.62x = 6,926,521.43
  5. Step 5: Solve for x
    x = 6,926,521.43/2,999.62
  6. Step 6: Final answer
    x = 2,309.14

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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.