Home / 2,412.88-3,619.26-1,025.84

Finding the Fourth Proportional to 2,412.88, 3,619.26 and 1,025.84

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Solution

The fourth proportional to 2,412.88, 3,619.26 and 1,025.84 is: 1,538.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.88 : 3,619.26 = 1,025.84 : x
  2. Step 2: Convert to fraction form
    2,412.88/3,619.26 = 1,025.84/x
  3. Step 3: Cross multiply
    2,412.88x = 3,619.26 × 1,025.84
  4. Step 4: Simplify right side
    2,412.88x = 3,712,781.68
  5. Step 5: Solve for x
    x = 3,712,781.68/2,412.88
  6. Step 6: Final answer
    x = 1,538.73

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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.