Home / 1,721.03-2,372.24-1,161.30

Finding the Fourth Proportional to 1,721.03, 2,372.24 and 1,161.30

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Solution

The fourth proportional to 1,721.03, 2,372.24 and 1,161.30 is: 1,600.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721.03 : 2,372.24 = 1,161.30 : x
  2. Step 2: Convert to fraction form
    1,721.03/2,372.24 = 1,161.30/x
  3. Step 3: Cross multiply
    1,721.03x = 2,372.24 × 1,161.30
  4. Step 4: Simplify right side
    1,721.03x = 2,754,876.51
  5. Step 5: Solve for x
    x = 2,754,876.51/1,721.03
  6. Step 6: Final answer
    x = 1,600.72

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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.