Home / 3,308.70-4,958.55-2,135.10

Finding the Fourth Proportional to 3,308.70, 4,958.55 and 2,135.10

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Solution

The fourth proportional to 3,308.70, 4,958.55 and 2,135.10 is: 3,199.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,308.70 : 4,958.55 = 2,135.10 : x
  2. Step 2: Convert to fraction form
    3,308.70/4,958.55 = 2,135.10/x
  3. Step 3: Cross multiply
    3,308.70x = 4,958.55 × 2,135.10
  4. Step 4: Simplify right side
    3,308.70x = 10,587,000.11
  5. Step 5: Solve for x
    x = 10,587,000.11/3,308.70
  6. Step 6: Final answer
    x = 3,199.75

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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.