Home / 4,122.80-6,184.38-1,349.46

Finding the Fourth Proportional to 4,122.80, 6,184.38 and 1,349.46

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Solution

The fourth proportional to 4,122.80, 6,184.38 and 1,349.46 is: 2,024.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.80 : 6,184.38 = 1,349.46 : x
  2. Step 2: Convert to fraction form
    4,122.80/6,184.38 = 1,349.46/x
  3. Step 3: Cross multiply
    4,122.80x = 6,184.38 × 1,349.46
  4. Step 4: Simplify right side
    4,122.80x = 8,345,573.43
  5. Step 5: Solve for x
    x = 8,345,573.43/4,122.80
  6. Step 6: Final answer
    x = 2,024.25

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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.