Home / 2,001.09-2,760.24-1,292.67

Finding the Fourth Proportional to 2,001.09, 2,760.24 and 1,292.67

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Solution

The fourth proportional to 2,001.09, 2,760.24 and 1,292.67 is: 1,783.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,001.09 : 2,760.24 = 1,292.67 : x
  2. Step 2: Convert to fraction form
    2,001.09/2,760.24 = 1,292.67/x
  3. Step 3: Cross multiply
    2,001.09x = 2,760.24 × 1,292.67
  4. Step 4: Simplify right side
    2,001.09x = 3,568,079.44
  5. Step 5: Solve for x
    x = 3,568,079.44/2,001.09
  6. Step 6: Final answer
    x = 1,783.07

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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.