Home / 1,958.24-2,939.34-1,728.62

Finding the Fourth Proportional to 1,958.24, 2,939.34 and 1,728.62

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Solution

The fourth proportional to 1,958.24, 2,939.34 and 1,728.62 is: 2,594.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.24 : 2,939.34 = 1,728.62 : x
  2. Step 2: Convert to fraction form
    1,958.24/2,939.34 = 1,728.62/x
  3. Step 3: Cross multiply
    1,958.24x = 2,939.34 × 1,728.62
  4. Step 4: Simplify right side
    1,958.24x = 5,081,001.91
  5. Step 5: Solve for x
    x = 5,081,001.91/1,958.24
  6. Step 6: Final answer
    x = 2,594.68

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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.