Home / 3,309.06-4,965.36-1,665.60

Finding the Fourth Proportional to 3,309.06, 4,965.36 and 1,665.60

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Solution

The fourth proportional to 3,309.06, 4,965.36 and 1,665.60 is: 2,499.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.06 : 4,965.36 = 1,665.60 : x
  2. Step 2: Convert to fraction form
    3,309.06/4,965.36 = 1,665.60/x
  3. Step 3: Cross multiply
    3,309.06x = 4,965.36 × 1,665.60
  4. Step 4: Simplify right side
    3,309.06x = 8,270,303.62
  5. Step 5: Solve for x
    x = 8,270,303.62/3,309.06
  6. Step 6: Final answer
    x = 2,499.29

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1.5x scale

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.