Home / 3,169.55-4,754.33-1,220.39

Finding the Fourth Proportional to 3,169.55, 4,754.33 and 1,220.39

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Solution

The fourth proportional to 3,169.55, 4,754.33 and 1,220.39 is: 1,830.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.55 : 4,754.33 = 1,220.39 : x
  2. Step 2: Convert to fraction form
    3,169.55/4,754.33 = 1,220.39/x
  3. Step 3: Cross multiply
    3,169.55x = 4,754.33 × 1,220.39
  4. Step 4: Simplify right side
    3,169.55x = 5,802,124.74
  5. Step 5: Solve for x
    x = 5,802,124.74/3,169.55
  6. Step 6: Final answer
    x = 1,830.58

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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.