Home / 3,259.79-4,481.84-2,902.31

Finding the Fourth Proportional to 3,259.79, 4,481.84 and 2,902.31

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Solution

The fourth proportional to 3,259.79, 4,481.84 and 2,902.31 is: 3,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.79 : 4,481.84 = 2,902.31 : x
  2. Step 2: Convert to fraction form
    3,259.79/4,481.84 = 2,902.31/x
  3. Step 3: Cross multiply
    3,259.79x = 4,481.84 × 2,902.31
  4. Step 4: Simplify right side
    3,259.79x = 13,007,652.13
  5. Step 5: Solve for x
    x = 13,007,652.13/3,259.79
  6. Step 6: Final answer
    x = 3,990.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.