Home / 3,039.30-4,194.23-1,642.05

Finding the Fourth Proportional to 3,039.30, 4,194.23 and 1,642.05

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Solution

The fourth proportional to 3,039.30, 4,194.23 and 1,642.05 is: 2,266.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,039.30 : 4,194.23 = 1,642.05 : x
  2. Step 2: Convert to fraction form
    3,039.30/4,194.23 = 1,642.05/x
  3. Step 3: Cross multiply
    3,039.30x = 4,194.23 × 1,642.05
  4. Step 4: Simplify right side
    3,039.30x = 6,887,124.89
  5. Step 5: Solve for x
    x = 6,887,124.89/3,039.30
  6. Step 6: Final answer
    x = 2,266.03

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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.