Home / 2,419.97-3,340.26-1,425.83

Finding the Fourth Proportional to 2,419.97, 3,340.26 and 1,425.83

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Solution

The fourth proportional to 2,419.97, 3,340.26 and 1,425.83 is: 1,968.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,419.97 : 3,340.26 = 1,425.83 : x
  2. Step 2: Convert to fraction form
    2,419.97/3,340.26 = 1,425.83/x
  3. Step 3: Cross multiply
    2,419.97x = 3,340.26 × 1,425.83
  4. Step 4: Simplify right side
    2,419.97x = 4,762,619.09
  5. Step 5: Solve for x
    x = 4,762,619.09/2,419.97
  6. Step 6: Final answer
    x = 1,968.05

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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.