Home / 1,727.59-2,592.51-905.62

Finding the Fourth Proportional to 1,727.59, 2,592.51 and 905.62

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Solution

The fourth proportional to 1,727.59, 2,592.51 and 905.62 is: 1,359.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,727.59 : 2,592.51 = 905.62 : x
  2. Step 2: Convert to fraction form
    1,727.59/2,592.51 = 905.62/x
  3. Step 3: Cross multiply
    1,727.59x = 2,592.51 × 905.62
  4. Step 4: Simplify right side
    1,727.59x = 2,347,828.91
  5. Step 5: Solve for x
    x = 2,347,828.91/1,727.59
  6. Step 6: Final answer
    x = 1,359.02

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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.