Home / 1,823.36-2,517.82-1,429.70

Finding the Fourth Proportional to 1,823.36, 2,517.82 and 1,429.70

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Solution

The fourth proportional to 1,823.36, 2,517.82 and 1,429.70 is: 1,974.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.36 : 2,517.82 = 1,429.70 : x
  2. Step 2: Convert to fraction form
    1,823.36/2,517.82 = 1,429.70/x
  3. Step 3: Cross multiply
    1,823.36x = 2,517.82 × 1,429.70
  4. Step 4: Simplify right side
    1,823.36x = 3,599,727.25
  5. Step 5: Solve for x
    x = 3,599,727.25/1,823.36
  6. Step 6: Final answer
    x = 1,974.23

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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.