Home / 3,408.68-4,702.96-2,080.99

Finding the Fourth Proportional to 3,408.68, 4,702.96 and 2,080.99

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Solution

The fourth proportional to 3,408.68, 4,702.96 and 2,080.99 is: 2,871.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.68 : 4,702.96 = 2,080.99 : x
  2. Step 2: Convert to fraction form
    3,408.68/4,702.96 = 2,080.99/x
  3. Step 3: Cross multiply
    3,408.68x = 4,702.96 × 2,080.99
  4. Step 4: Simplify right side
    3,408.68x = 9,786,821.21
  5. Step 5: Solve for x
    x = 9,786,821.21/3,408.68
  6. Step 6: Final answer
    x = 2,871.14

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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.