Home / 3,145.23-4,716.50-1,583.28

Finding the Fourth Proportional to 3,145.23, 4,716.50 and 1,583.28

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Solution

The fourth proportional to 3,145.23, 4,716.50 and 1,583.28 is: 2,374.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,145.23 : 4,716.50 = 1,583.28 : x
  2. Step 2: Convert to fraction form
    3,145.23/4,716.50 = 1,583.28/x
  3. Step 3: Cross multiply
    3,145.23x = 4,716.50 × 1,583.28
  4. Step 4: Simplify right side
    3,145.23x = 7,467,532.20
  5. Step 5: Solve for x
    x = 7,467,532.20/3,145.23
  6. Step 6: Final answer
    x = 2,374.24

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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.