Home / 3,150.90-4,352.06-2,310.39

Finding the Fourth Proportional to 3,150.90, 4,352.06 and 2,310.39

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Solution

The fourth proportional to 3,150.90, 4,352.06 and 2,310.39 is: 3,191.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.90 : 4,352.06 = 2,310.39 : x
  2. Step 2: Convert to fraction form
    3,150.90/4,352.06 = 2,310.39/x
  3. Step 3: Cross multiply
    3,150.90x = 4,352.06 × 2,310.39
  4. Step 4: Simplify right side
    3,150.90x = 10,054,961.68
  5. Step 5: Solve for x
    x = 10,054,961.68/3,150.90
  6. Step 6: Final answer
    x = 3,191.14

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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.