Home / 2,260.66-3,119.97-1,728.79

Finding the Fourth Proportional to 2,260.66, 3,119.97 and 1,728.79

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Solution

The fourth proportional to 2,260.66, 3,119.97 and 1,728.79 is: 2,385.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,260.66 : 3,119.97 = 1,728.79 : x
  2. Step 2: Convert to fraction form
    2,260.66/3,119.97 = 1,728.79/x
  3. Step 3: Cross multiply
    2,260.66x = 3,119.97 × 1,728.79
  4. Step 4: Simplify right side
    2,260.66x = 5,393,779.44
  5. Step 5: Solve for x
    x = 5,393,779.44/2,260.66
  6. Step 6: Final answer
    x = 2,385.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.