Home / 2,999.60-4,139.40-1,673.27

Finding the Fourth Proportional to 2,999.60, 4,139.40 and 1,673.27

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Solution

The fourth proportional to 2,999.60, 4,139.40 and 1,673.27 is: 2,309.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.60 : 4,139.40 = 1,673.27 : x
  2. Step 2: Convert to fraction form
    2,999.60/4,139.40 = 1,673.27/x
  3. Step 3: Cross multiply
    2,999.60x = 4,139.40 × 1,673.27
  4. Step 4: Simplify right side
    2,999.60x = 6,926,344.19
  5. Step 5: Solve for x
    x = 6,926,344.19/2,999.60
  6. Step 6: Final answer
    x = 2,309.09

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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.