Home / 3,099.88-4,646.94-2,122.84

Finding the Fourth Proportional to 3,099.88, 4,646.94 and 2,122.84

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Solution

The fourth proportional to 3,099.88, 4,646.94 and 2,122.84 is: 3,182.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,099.88 : 4,646.94 = 2,122.84 : x
  2. Step 2: Convert to fraction form
    3,099.88/4,646.94 = 2,122.84/x
  3. Step 3: Cross multiply
    3,099.88x = 4,646.94 × 2,122.84
  4. Step 4: Simplify right side
    3,099.88x = 9,864,710.11
  5. Step 5: Solve for x
    x = 9,864,710.11/3,099.88
  6. Step 6: Final answer
    x = 3,182.29

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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.