Home / 1,721.76-2,582.64-1,694.24

Finding the Fourth Proportional to 1,721.76, 2,582.64 and 1,694.24

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Solution

The fourth proportional to 1,721.76, 2,582.64 and 1,694.24 is: 2,541.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721.76 : 2,582.64 = 1,694.24 : x
  2. Step 2: Convert to fraction form
    1,721.76/2,582.64 = 1,694.24/x
  3. Step 3: Cross multiply
    1,721.76x = 2,582.64 × 1,694.24
  4. Step 4: Simplify right side
    1,721.76x = 4,375,611.99
  5. Step 5: Solve for x
    x = 4,375,611.99/1,721.76
  6. Step 6: Final answer
    x = 2,541.36

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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.