Home / 3,184.20-4,779.32-1,334.80

Finding the Fourth Proportional to 3,184.20, 4,779.32 and 1,334.80

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Solution

The fourth proportional to 3,184.20, 4,779.32 and 1,334.80 is: 2,003.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,184.20 : 4,779.32 = 1,334.80 : x
  2. Step 2: Convert to fraction form
    3,184.20/4,779.32 = 1,334.80/x
  3. Step 3: Cross multiply
    3,184.20x = 4,779.32 × 1,334.80
  4. Step 4: Simplify right side
    3,184.20x = 6,379,436.34
  5. Step 5: Solve for x
    x = 6,379,436.34/3,184.20
  6. Step 6: Final answer
    x = 2,003.47

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1.5x scale

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.