Home / 3,266.21-4,507.18-1,939.07

Finding the Fourth Proportional to 3,266.21, 4,507.18 and 1,939.07

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Solution

The fourth proportional to 3,266.21, 4,507.18 and 1,939.07 is: 2,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,266.21 : 4,507.18 = 1,939.07 : x
  2. Step 2: Convert to fraction form
    3,266.21/4,507.18 = 1,939.07/x
  3. Step 3: Cross multiply
    3,266.21x = 4,507.18 × 1,939.07
  4. Step 4: Simplify right side
    3,266.21x = 8,739,710.14
  5. Step 5: Solve for x
    x = 8,739,710.14/3,266.21
  6. Step 6: Final answer
    x = 2,675.80

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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.