Home / 3,124.20-4,683.98-1,891.32

Finding the Fourth Proportional to 3,124.20, 4,683.98 and 1,891.32

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Solution

The fourth proportional to 3,124.20, 4,683.98 and 1,891.32 is: 2,835.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.20 : 4,683.98 = 1,891.32 : x
  2. Step 2: Convert to fraction form
    3,124.20/4,683.98 = 1,891.32/x
  3. Step 3: Cross multiply
    3,124.20x = 4,683.98 × 1,891.32
  4. Step 4: Simplify right side
    3,124.20x = 8,858,884.28
  5. Step 5: Solve for x
    x = 8,858,884.28/3,124.20
  6. Step 6: Final answer
    x = 2,835.57

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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.