Home / 2,470.82-3,409.59-1,408.44

Finding the Fourth Proportional to 2,470.82, 3,409.59 and 1,408.44

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Solution

The fourth proportional to 2,470.82, 3,409.59 and 1,408.44 is: 1,943.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,470.82 : 3,409.59 = 1,408.44 : x
  2. Step 2: Convert to fraction form
    2,470.82/3,409.59 = 1,408.44/x
  3. Step 3: Cross multiply
    2,470.82x = 3,409.59 × 1,408.44
  4. Step 4: Simplify right side
    2,470.82x = 4,802,195.90
  5. Step 5: Solve for x
    x = 4,802,195.90/2,470.82
  6. Step 6: Final answer
    x = 1,943.56

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1.5x scale

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.