Home / 3,069.33-4,604.42-1,220.63

Finding the Fourth Proportional to 3,069.33, 4,604.42 and 1,220.63

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Solution

The fourth proportional to 3,069.33, 4,604.42 and 1,220.63 is: 1,831.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,069.33 : 4,604.42 = 1,220.63 : x
  2. Step 2: Convert to fraction form
    3,069.33/4,604.42 = 1,220.63/x
  3. Step 3: Cross multiply
    3,069.33x = 4,604.42 × 1,220.63
  4. Step 4: Simplify right side
    3,069.33x = 5,620,264.06
  5. Step 5: Solve for x
    x = 5,620,264.06/3,069.33
  6. Step 6: Final answer
    x = 1,831.10

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Half scale
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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.