Home / 2,716.09-3,748.35-1,721.01

Finding the Fourth Proportional to 2,716.09, 3,748.35 and 1,721.01

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Solution

The fourth proportional to 2,716.09, 3,748.35 and 1,721.01 is: 2,375.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,716.09 : 3,748.35 = 1,721.01 : x
  2. Step 2: Convert to fraction form
    2,716.09/3,748.35 = 1,721.01/x
  3. Step 3: Cross multiply
    2,716.09x = 3,748.35 × 1,721.01
  4. Step 4: Simplify right side
    2,716.09x = 6,450,947.83
  5. Step 5: Solve for x
    x = 6,450,947.83/2,716.09
  6. Step 6: Final answer
    x = 2,375.09

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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.