Home / 2,682.36-3,700.96-1,619.28

Finding the Fourth Proportional to 2,682.36, 3,700.96 and 1,619.28

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Solution

The fourth proportional to 2,682.36, 3,700.96 and 1,619.28 is: 2,234.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.36 : 3,700.96 = 1,619.28 : x
  2. Step 2: Convert to fraction form
    2,682.36/3,700.96 = 1,619.28/x
  3. Step 3: Cross multiply
    2,682.36x = 3,700.96 × 1,619.28
  4. Step 4: Simplify right side
    2,682.36x = 5,992,882.41
  5. Step 5: Solve for x
    x = 5,992,882.41/2,682.36
  6. Step 6: Final answer
    x = 2,234.19

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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.