Home / 3,309.44-4,566.74-1,817.36

Finding the Fourth Proportional to 3,309.44, 4,566.74 and 1,817.36

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Solution

The fourth proportional to 3,309.44, 4,566.74 and 1,817.36 is: 2,507.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.44 : 4,566.74 = 1,817.36 : x
  2. Step 2: Convert to fraction form
    3,309.44/4,566.74 = 1,817.36/x
  3. Step 3: Cross multiply
    3,309.44x = 4,566.74 × 1,817.36
  4. Step 4: Simplify right side
    3,309.44x = 8,299,378.69
  5. Step 5: Solve for x
    x = 8,299,378.69/3,309.44
  6. Step 6: Final answer
    x = 2,507.79

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1.5x scale

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.