Home / 2,728.42-4,094.46-1,755.20

Finding the Fourth Proportional to 2,728.42, 4,094.46 and 1,755.20

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Solution

The fourth proportional to 2,728.42, 4,094.46 and 1,755.20 is: 2,633.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,728.42 : 4,094.46 = 1,755.20 : x
  2. Step 2: Convert to fraction form
    2,728.42/4,094.46 = 1,755.20/x
  3. Step 3: Cross multiply
    2,728.42x = 4,094.46 × 1,755.20
  4. Step 4: Simplify right side
    2,728.42x = 7,186,596.19
  5. Step 5: Solve for x
    x = 7,186,596.19/2,728.42
  6. Step 6: Final answer
    x = 2,633.98

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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.