Home / 3,102.54-4,651.07-1,153.38

Finding the Fourth Proportional to 3,102.54, 4,651.07 and 1,153.38

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Solution

The fourth proportional to 3,102.54, 4,651.07 and 1,153.38 is: 1,729.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.54 : 4,651.07 = 1,153.38 : x
  2. Step 2: Convert to fraction form
    3,102.54/4,651.07 = 1,153.38/x
  3. Step 3: Cross multiply
    3,102.54x = 4,651.07 × 1,153.38
  4. Step 4: Simplify right side
    3,102.54x = 5,364,451.12
  5. Step 5: Solve for x
    x = 5,364,451.12/3,102.54
  6. Step 6: Final answer
    x = 1,729.05

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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.