Home / 1,722.23-2,584.55-1,028.46

Finding the Fourth Proportional to 1,722.23, 2,584.55 and 1,028.46

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Solution

The fourth proportional to 1,722.23, 2,584.55 and 1,028.46 is: 1,543.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.23 : 2,584.55 = 1,028.46 : x
  2. Step 2: Convert to fraction form
    1,722.23/2,584.55 = 1,028.46/x
  3. Step 3: Cross multiply
    1,722.23x = 2,584.55 × 1,028.46
  4. Step 4: Simplify right side
    1,722.23x = 2,658,106.29
  5. Step 5: Solve for x
    x = 2,658,106.29/1,722.23
  6. Step 6: Final answer
    x = 1,543.41

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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.