Home / 1,722.24-2,586.24-1,647.36

Finding the Fourth Proportional to 1,722.24, 2,586.24 and 1,647.36

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Solution

The fourth proportional to 1,722.24, 2,586.24 and 1,647.36 is: 2,473.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.24 : 2,586.24 = 1,647.36 : x
  2. Step 2: Convert to fraction form
    1,722.24/2,586.24 = 1,647.36/x
  3. Step 3: Cross multiply
    1,722.24x = 2,586.24 × 1,647.36
  4. Step 4: Simplify right side
    1,722.24x = 4,260,468.33
  5. Step 5: Solve for x
    x = 4,260,468.33/1,722.24
  6. Step 6: Final answer
    x = 2,473.79

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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.