Home / 3,146.78-4,716.84-1,064.90

Finding the Fourth Proportional to 3,146.78, 4,716.84 and 1,064.90

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Solution

The fourth proportional to 3,146.78, 4,716.84 and 1,064.90 is: 1,596.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146.78 : 4,716.84 = 1,064.90 : x
  2. Step 2: Convert to fraction form
    3,146.78/4,716.84 = 1,064.90/x
  3. Step 3: Cross multiply
    3,146.78x = 4,716.84 × 1,064.90
  4. Step 4: Simplify right side
    3,146.78x = 5,022,962.92
  5. Step 5: Solve for x
    x = 5,022,962.92/3,146.78
  6. Step 6: Final answer
    x = 1,596.22

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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.