Home / 2,739.35-4,109.15-1,641.31

Finding the Fourth Proportional to 2,739.35, 4,109.15 and 1,641.31

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Solution

The fourth proportional to 2,739.35, 4,109.15 and 1,641.31 is: 2,462.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.35 : 4,109.15 = 1,641.31 : x
  2. Step 2: Convert to fraction form
    2,739.35/4,109.15 = 1,641.31/x
  3. Step 3: Cross multiply
    2,739.35x = 4,109.15 × 1,641.31
  4. Step 4: Simplify right side
    2,739.35x = 6,744,382.82
  5. Step 5: Solve for x
    x = 6,744,382.82/2,739.35
  6. Step 6: Final answer
    x = 2,462.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.