Home / 3,149.24-4,724.49-1,764.55

Finding the Fourth Proportional to 3,149.24, 4,724.49 and 1,764.55

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Solution

The fourth proportional to 3,149.24, 4,724.49 and 1,764.55 is: 2,647.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.24 : 4,724.49 = 1,764.55 : x
  2. Step 2: Convert to fraction form
    3,149.24/4,724.49 = 1,764.55/x
  3. Step 3: Cross multiply
    3,149.24x = 4,724.49 × 1,764.55
  4. Step 4: Simplify right side
    3,149.24x = 8,336,598.83
  5. Step 5: Solve for x
    x = 8,336,598.83/3,149.24
  6. Step 6: Final answer
    x = 2,647.18

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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.