Home / 2,476.82-3,418.05-1,357.75

Finding the Fourth Proportional to 2,476.82, 3,418.05 and 1,357.75

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Solution

The fourth proportional to 2,476.82, 3,418.05 and 1,357.75 is: 1,873.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.82 : 3,418.05 = 1,357.75 : x
  2. Step 2: Convert to fraction form
    2,476.82/3,418.05 = 1,357.75/x
  3. Step 3: Cross multiply
    2,476.82x = 3,418.05 × 1,357.75
  4. Step 4: Simplify right side
    2,476.82x = 4,640,857.39
  5. Step 5: Solve for x
    x = 4,640,857.39/2,476.82
  6. Step 6: Final answer
    x = 1,873.72

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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.