Home / 3,983.36-5,975.04-1,676.80

Finding the Fourth Proportional to 3,983.36, 5,975.04 and 1,676.80

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Solution

The fourth proportional to 3,983.36, 5,975.04 and 1,676.80 is: 2,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,983.36 : 5,975.04 = 1,676.80 : x
  2. Step 2: Convert to fraction form
    3,983.36/5,975.04 = 1,676.80/x
  3. Step 3: Cross multiply
    3,983.36x = 5,975.04 × 1,676.80
  4. Step 4: Simplify right side
    3,983.36x = 10,018,947.07
  5. Step 5: Solve for x
    x = 10,018,947.07/3,983.36
  6. Step 6: Final answer
    x = 2,515.20

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Double scale
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Similar ratio
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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.