Home / 3,120.52-4,679.04-1,039.96

Finding the Fourth Proportional to 3,120.52, 4,679.04 and 1,039.96

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Solution

The fourth proportional to 3,120.52, 4,679.04 and 1,039.96 is: 1,559.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120.52 : 4,679.04 = 1,039.96 : x
  2. Step 2: Convert to fraction form
    3,120.52/4,679.04 = 1,039.96/x
  3. Step 3: Cross multiply
    3,120.52x = 4,679.04 × 1,039.96
  4. Step 4: Simplify right side
    3,120.52x = 4,866,014.44
  5. Step 5: Solve for x
    x = 4,866,014.44/3,120.52
  6. Step 6: Final answer
    x = 1,559.36

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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.