Home / 2,002.44-2,764.68-1,257.48

Finding the Fourth Proportional to 2,002.44, 2,764.68 and 1,257.48

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Solution

The fourth proportional to 2,002.44, 2,764.68 and 1,257.48 is: 1,736.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002.44 : 2,764.68 = 1,257.48 : x
  2. Step 2: Convert to fraction form
    2,002.44/2,764.68 = 1,257.48/x
  3. Step 3: Cross multiply
    2,002.44x = 2,764.68 × 1,257.48
  4. Step 4: Simplify right side
    2,002.44x = 3,476,529.81
  5. Step 5: Solve for x
    x = 3,476,529.81/2,002.44
  6. Step 6: Final answer
    x = 1,736.15

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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.