Home / 2,425.27-3,638.99-1,270.75

Finding the Fourth Proportional to 2,425.27, 3,638.99 and 1,270.75

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Solution

The fourth proportional to 2,425.27, 3,638.99 and 1,270.75 is: 1,906.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,425.27 : 3,638.99 = 1,270.75 : x
  2. Step 2: Convert to fraction form
    2,425.27/3,638.99 = 1,270.75/x
  3. Step 3: Cross multiply
    2,425.27x = 3,638.99 × 1,270.75
  4. Step 4: Simplify right side
    2,425.27x = 4,624,240.19
  5. Step 5: Solve for x
    x = 4,624,240.19/2,425.27
  6. Step 6: Final answer
    x = 1,906.69

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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.