Home / 1,727.32-2,589.56-630.99

Finding the Fourth Proportional to 1,727.32, 2,589.56 and 630.99

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Solution

The fourth proportional to 1,727.32, 2,589.56 and 630.99 is: 945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.32 : 2,589.56 = 630.99 : x
  2. Step 2: Convert to fraction form
    1,727.32/2,589.56 = 630.99/x
  3. Step 3: Cross multiply
    1,727.32x = 2,589.56 × 630.99
  4. Step 4: Simplify right side
    1,727.32x = 1,633,986.46
  5. Step 5: Solve for x
    x = 1,633,986.46/1,727.32
  6. Step 6: Final answer
    x = 945.97

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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.