Home / 3,309.09-4,566.71-1,816.99

Finding the Fourth Proportional to 3,309.09, 4,566.71 and 1,816.99

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Solution

The fourth proportional to 3,309.09, 4,566.71 and 1,816.99 is: 2,507.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,309.09 : 4,566.71 = 1,816.99 : x
  2. Step 2: Convert to fraction form
    3,309.09/4,566.71 = 1,816.99/x
  3. Step 3: Cross multiply
    3,309.09x = 4,566.71 × 1,816.99
  4. Step 4: Simplify right side
    3,309.09x = 8,297,666.40
  5. Step 5: Solve for x
    x = 8,297,666.40/3,309.09
  6. Step 6: Final answer
    x = 2,507.54

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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.