Home / 3,266.81-4,508.08-1,939.76

Finding the Fourth Proportional to 3,266.81, 4,508.08 and 1,939.76

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Solution

The fourth proportional to 3,266.81, 4,508.08 and 1,939.76 is: 2,676.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.81 : 4,508.08 = 1,939.76 : x
  2. Step 2: Convert to fraction form
    3,266.81/4,508.08 = 1,939.76/x
  3. Step 3: Cross multiply
    3,266.81x = 4,508.08 × 1,939.76
  4. Step 4: Simplify right side
    3,266.81x = 8,744,593.26
  5. Step 5: Solve for x
    x = 8,744,593.26/3,266.81
  6. Step 6: Final answer
    x = 2,676.80

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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.