Home / 1,813.97-2,503.48-1,068.11

Finding the Fourth Proportional to 1,813.97, 2,503.48 and 1,068.11

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Solution

The fourth proportional to 1,813.97, 2,503.48 and 1,068.11 is: 1,474.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,813.97 : 2,503.48 = 1,068.11 : x
  2. Step 2: Convert to fraction form
    1,813.97/2,503.48 = 1,068.11/x
  3. Step 3: Cross multiply
    1,813.97x = 2,503.48 × 1,068.11
  4. Step 4: Simplify right side
    1,813.97x = 2,673,986.68
  5. Step 5: Solve for x
    x = 2,673,986.68/1,813.97
  6. Step 6: Final answer
    x = 1,474.11

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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.