Home / 2,731.40-4,107.90-2,450.60

Finding the Fourth Proportional to 2,731.40, 4,107.90 and 2,450.60

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Solution

The fourth proportional to 2,731.40, 4,107.90 and 2,450.60 is: 3,685.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.40 : 4,107.90 = 2,450.60 : x
  2. Step 2: Convert to fraction form
    2,731.40/4,107.90 = 2,450.60/x
  3. Step 3: Cross multiply
    2,731.40x = 4,107.90 × 2,450.60
  4. Step 4: Simplify right side
    2,731.40x = 10,066,819.74
  5. Step 5: Solve for x
    x = 10,066,819.74/2,731.40
  6. Step 6: Final answer
    x = 3,685.59

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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.