Home / 3,102.62-4,651.19-1,153.46

Finding the Fourth Proportional to 3,102.62, 4,651.19 and 1,153.46

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Solution

The fourth proportional to 3,102.62, 4,651.19 and 1,153.46 is: 1,729.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.62 : 4,651.19 = 1,153.46 : x
  2. Step 2: Convert to fraction form
    3,102.62/4,651.19 = 1,153.46/x
  3. Step 3: Cross multiply
    3,102.62x = 4,651.19 × 1,153.46
  4. Step 4: Simplify right side
    3,102.62x = 5,364,967.48
  5. Step 5: Solve for x
    x = 5,364,967.48/3,102.62
  6. Step 6: Final answer
    x = 1,729.17

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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.