Home / 1,722.06-2,571.41-1,352.70

Finding the Fourth Proportional to 1,722.06, 2,571.41 and 1,352.70

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Solution

The fourth proportional to 1,722.06, 2,571.41 and 1,352.70 is: 2,019.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.06 : 2,571.41 = 1,352.70 : x
  2. Step 2: Convert to fraction form
    1,722.06/2,571.41 = 1,352.70/x
  3. Step 3: Cross multiply
    1,722.06x = 2,571.41 × 1,352.70
  4. Step 4: Simplify right side
    1,722.06x = 3,478,349.69
  5. Step 5: Solve for x
    x = 3,478,349.69/1,722.06
  6. Step 6: Final answer
    x = 2,019.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.