Home / 1,721.06-2,375.34-1,013.03

Finding the Fourth Proportional to 1,721.06, 2,375.34 and 1,013.03

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Solution

The fourth proportional to 1,721.06, 2,375.34 and 1,013.03 is: 1,398.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721.06 : 2,375.34 = 1,013.03 : x
  2. Step 2: Convert to fraction form
    1,721.06/2,375.34 = 1,013.03/x
  3. Step 3: Cross multiply
    1,721.06x = 2,375.34 × 1,013.03
  4. Step 4: Simplify right side
    1,721.06x = 2,406,290.68
  5. Step 5: Solve for x
    x = 2,406,290.68/1,721.06
  6. Step 6: Final answer
    x = 1,398.14

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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.