Home / 1,716.30-2,578.56-1,101.21

Finding the Fourth Proportional to 1,716.30, 2,578.56 and 1,101.21

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Solution

The fourth proportional to 1,716.30, 2,578.56 and 1,101.21 is: 1,654.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,716.30 : 2,578.56 = 1,101.21 : x
  2. Step 2: Convert to fraction form
    1,716.30/2,578.56 = 1,101.21/x
  3. Step 3: Cross multiply
    1,716.30x = 2,578.56 × 1,101.21
  4. Step 4: Simplify right side
    1,716.30x = 2,839,536.06
  5. Step 5: Solve for x
    x = 2,839,536.06/1,716.30
  6. Step 6: Final answer
    x = 1,654.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.