Home / 3,204.09-4,805.15-1,722.40

Finding the Fourth Proportional to 3,204.09, 4,805.15 and 1,722.40

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Solution

The fourth proportional to 3,204.09, 4,805.15 and 1,722.40 is: 2,583.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.09 : 4,805.15 = 1,722.40 : x
  2. Step 2: Convert to fraction form
    3,204.09/4,805.15 = 1,722.40/x
  3. Step 3: Cross multiply
    3,204.09x = 4,805.15 × 1,722.40
  4. Step 4: Simplify right side
    3,204.09x = 8,276,369.74
  5. Step 5: Solve for x
    x = 8,276,369.74/3,204.09
  6. Step 6: Final answer
    x = 2,583.06

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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.