Home / 3,101.23-4,647.89-1,454.15

Finding the Fourth Proportional to 3,101.23, 4,647.89 and 1,454.15

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Solution

The fourth proportional to 3,101.23, 4,647.89 and 1,454.15 is: 2,179.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,101.23 : 4,647.89 = 1,454.15 : x
  2. Step 2: Convert to fraction form
    3,101.23/4,647.89 = 1,454.15/x
  3. Step 3: Cross multiply
    3,101.23x = 4,647.89 × 1,454.15
  4. Step 4: Simplify right side
    3,101.23x = 6,758,729.24
  5. Step 5: Solve for x
    x = 6,758,729.24/3,101.23
  6. Step 6: Final answer
    x = 2,179.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.