Home / 1,721.92-2,582.92-1,588.18

Finding the Fourth Proportional to 1,721.92, 2,582.92 and 1,588.18

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Solution

The fourth proportional to 1,721.92, 2,582.92 and 1,588.18 is: 2,382.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721.92 : 2,582.92 = 1,588.18 : x
  2. Step 2: Convert to fraction form
    1,721.92/2,582.92 = 1,588.18/x
  3. Step 3: Cross multiply
    1,721.92x = 2,582.92 × 1,588.18
  4. Step 4: Simplify right side
    1,721.92x = 4,102,141.89
  5. Step 5: Solve for x
    x = 4,102,141.89/1,721.92
  6. Step 6: Final answer
    x = 2,382.31

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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.