Home / 3,208.09-4,426.99-1,810.75

Finding the Fourth Proportional to 3,208.09, 4,426.99 and 1,810.75

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Solution

The fourth proportional to 3,208.09, 4,426.99 and 1,810.75 is: 2,498.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,208.09 : 4,426.99 = 1,810.75 : x
  2. Step 2: Convert to fraction form
    3,208.09/4,426.99 = 1,810.75/x
  3. Step 3: Cross multiply
    3,208.09x = 4,426.99 × 1,810.75
  4. Step 4: Simplify right side
    3,208.09x = 8,016,172.14
  5. Step 5: Solve for x
    x = 8,016,172.14/3,208.09
  6. Step 6: Final answer
    x = 2,498.74

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Double scale
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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.