Home / 2,470.34-3,408.97-1,422.58

Finding the Fourth Proportional to 2,470.34, 3,408.97 and 1,422.58

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Solution

The fourth proportional to 2,470.34, 3,408.97 and 1,422.58 is: 1,963.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.34 : 3,408.97 = 1,422.58 : x
  2. Step 2: Convert to fraction form
    2,470.34/3,408.97 = 1,422.58/x
  3. Step 3: Cross multiply
    2,470.34x = 3,408.97 × 1,422.58
  4. Step 4: Simplify right side
    2,470.34x = 4,849,532.54
  5. Step 5: Solve for x
    x = 4,849,532.54/2,470.34
  6. Step 6: Final answer
    x = 1,963.10

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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.