Home / 2,412.83-3,619.53-1,025.90

Finding the Fourth Proportional to 2,412.83, 3,619.53 and 1,025.90

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Solution

The fourth proportional to 2,412.83, 3,619.53 and 1,025.90 is: 1,538.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.83 : 3,619.53 = 1,025.90 : x
  2. Step 2: Convert to fraction form
    2,412.83/3,619.53 = 1,025.90/x
  3. Step 3: Cross multiply
    2,412.83x = 3,619.53 × 1,025.90
  4. Step 4: Simplify right side
    2,412.83x = 3,713,257.73
  5. Step 5: Solve for x
    x = 3,713,257.73/2,412.83
  6. Step 6: Final answer
    x = 1,538.97

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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.