Home / 2,240.72-3,361.08-1,086.80

Finding the Fourth Proportional to 2,240.72, 3,361.08 and 1,086.80

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Solution

The fourth proportional to 2,240.72, 3,361.08 and 1,086.80 is: 1,630.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,240.72 : 3,361.08 = 1,086.80 : x
  2. Step 2: Convert to fraction form
    2,240.72/3,361.08 = 1,086.80/x
  3. Step 3: Cross multiply
    2,240.72x = 3,361.08 × 1,086.80
  4. Step 4: Simplify right side
    2,240.72x = 3,652,821.74
  5. Step 5: Solve for x
    x = 3,652,821.74/2,240.72
  6. Step 6: Final answer
    x = 1,630.20

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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.