Home / 2,310.75-3,451.37-2,091.03

Finding the Fourth Proportional to 2,310.75, 3,451.37 and 2,091.03

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Solution

The fourth proportional to 2,310.75, 3,451.37 and 2,091.03 is: 3,123.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,310.75 : 3,451.37 = 2,091.03 : x
  2. Step 2: Convert to fraction form
    2,310.75/3,451.37 = 2,091.03/x
  3. Step 3: Cross multiply
    2,310.75x = 3,451.37 × 2,091.03
  4. Step 4: Simplify right side
    2,310.75x = 7,216,907.76
  5. Step 5: Solve for x
    x = 7,216,907.76/2,310.75
  6. Step 6: Final answer
    x = 3,123.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.