Home / 3,045.03-4,201.79-1,718.66

Finding the Fourth Proportional to 3,045.03, 4,201.79 and 1,718.66

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Solution

The fourth proportional to 3,045.03, 4,201.79 and 1,718.66 is: 2,371.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,045.03 : 4,201.79 = 1,718.66 : x
  2. Step 2: Convert to fraction form
    3,045.03/4,201.79 = 1,718.66/x
  3. Step 3: Cross multiply
    3,045.03x = 4,201.79 × 1,718.66
  4. Step 4: Simplify right side
    3,045.03x = 7,221,418.80
  5. Step 5: Solve for x
    x = 7,221,418.80/3,045.03
  6. Step 6: Final answer
    x = 2,371.54

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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.