Home / 2,414.39-3,331.65-1,405.94

Finding the Fourth Proportional to 2,414.39, 3,331.65 and 1,405.94

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Solution

The fourth proportional to 2,414.39, 3,331.65 and 1,405.94 is: 1,940.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,414.39 : 3,331.65 = 1,405.94 : x
  2. Step 2: Convert to fraction form
    2,414.39/3,331.65 = 1,405.94/x
  3. Step 3: Cross multiply
    2,414.39x = 3,331.65 × 1,405.94
  4. Step 4: Simplify right side
    2,414.39x = 4,684,100.00
  5. Step 5: Solve for x
    x = 4,684,100.00/2,414.39
  6. Step 6: Final answer
    x = 1,940.08

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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.