Home / 2,470.26-3,409.38-1,422.93

Finding the Fourth Proportional to 2,470.26, 3,409.38 and 1,422.93

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Solution

The fourth proportional to 2,470.26, 3,409.38 and 1,422.93 is: 1,963.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.26 : 3,409.38 = 1,422.93 : x
  2. Step 2: Convert to fraction form
    2,470.26/3,409.38 = 1,422.93/x
  3. Step 3: Cross multiply
    2,470.26x = 3,409.38 × 1,422.93
  4. Step 4: Simplify right side
    2,470.26x = 4,851,309.08
  5. Step 5: Solve for x
    x = 4,851,309.08/2,470.26
  6. Step 6: Final answer
    x = 1,963.89

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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.