Home / 3,151.29-4,348.79-1,754.01

Finding the Fourth Proportional to 3,151.29, 4,348.79 and 1,754.01

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Solution

The fourth proportional to 3,151.29, 4,348.79 and 1,754.01 is: 2,420.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151.29 : 4,348.79 = 1,754.01 : x
  2. Step 2: Convert to fraction form
    3,151.29/4,348.79 = 1,754.01/x
  3. Step 3: Cross multiply
    3,151.29x = 4,348.79 × 1,754.01
  4. Step 4: Simplify right side
    3,151.29x = 7,627,821.15
  5. Step 5: Solve for x
    x = 7,627,821.15/3,151.29
  6. Step 6: Final answer
    x = 2,420.54

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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.