Home / 1,719.92-2,579.92-1,586.18

Finding the Fourth Proportional to 1,719.92, 2,579.92 and 1,586.18

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Solution

The fourth proportional to 1,719.92, 2,579.92 and 1,586.18 is: 2,379.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719.92 : 2,579.92 = 1,586.18 : x
  2. Step 2: Convert to fraction form
    1,719.92/2,579.92 = 1,586.18/x
  3. Step 3: Cross multiply
    1,719.92x = 2,579.92 × 1,586.18
  4. Step 4: Simplify right side
    1,719.92x = 4,092,217.51
  5. Step 5: Solve for x
    x = 4,092,217.51/1,719.92
  6. Step 6: Final answer
    x = 2,379.31

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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.