Home / 2,470.68-3,409.91-1,422.54

Finding the Fourth Proportional to 2,470.68, 3,409.91 and 1,422.54

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Solution

The fourth proportional to 2,470.68, 3,409.91 and 1,422.54 is: 1,963.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.68 : 3,409.91 = 1,422.54 : x
  2. Step 2: Convert to fraction form
    2,470.68/3,409.91 = 1,422.54/x
  3. Step 3: Cross multiply
    2,470.68x = 3,409.91 × 1,422.54
  4. Step 4: Simplify right side
    2,470.68x = 4,850,726.26
  5. Step 5: Solve for x
    x = 4,850,726.26/2,470.68
  6. Step 6: Final answer
    x = 1,963.32

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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.