Home / 1,721.10-2,591.76-1,504.29

Finding the Fourth Proportional to 1,721.10, 2,591.76 and 1,504.29

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Solution

The fourth proportional to 1,721.10, 2,591.76 and 1,504.29 is: 2,265.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,721.10 : 2,591.76 = 1,504.29 : x
  2. Step 2: Convert to fraction form
    1,721.10/2,591.76 = 1,504.29/x
  3. Step 3: Cross multiply
    1,721.10x = 2,591.76 × 1,504.29
  4. Step 4: Simplify right side
    1,721.10x = 3,898,758.65
  5. Step 5: Solve for x
    x = 3,898,758.65/1,721.10
  6. Step 6: Final answer
    x = 2,265.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.