Home / 3,150.28-4,723.56-1,299.32

Finding the Fourth Proportional to 3,150.28, 4,723.56 and 1,299.32

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Solution

The fourth proportional to 3,150.28, 4,723.56 and 1,299.32 is: 1,948.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,150.28 : 4,723.56 = 1,299.32 : x
  2. Step 2: Convert to fraction form
    3,150.28/4,723.56 = 1,299.32/x
  3. Step 3: Cross multiply
    3,150.28x = 4,723.56 × 1,299.32
  4. Step 4: Simplify right side
    3,150.28x = 6,137,415.98
  5. Step 5: Solve for x
    x = 6,137,415.98/3,150.28
  6. Step 6: Final answer
    x = 1,948.21

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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.