Home / 2,470.31-3,409.83-1,967.09

Finding the Fourth Proportional to 2,470.31, 3,409.83 and 1,967.09

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Solution

The fourth proportional to 2,470.31, 3,409.83 and 1,967.09 is: 2,715.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.31 : 3,409.83 = 1,967.09 : x
  2. Step 2: Convert to fraction form
    2,470.31/3,409.83 = 1,967.09/x
  3. Step 3: Cross multiply
    2,470.31x = 3,409.83 × 1,967.09
  4. Step 4: Simplify right side
    2,470.31x = 6,707,425.45
  5. Step 5: Solve for x
    x = 6,707,425.45/2,470.31
  6. Step 6: Final answer
    x = 2,715.22

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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.