Home / 1,571.68-2,352.03-1,327.51

Finding the Fourth Proportional to 1,571.68, 2,352.03 and 1,327.51

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Solution

The fourth proportional to 1,571.68, 2,352.03 and 1,327.51 is: 1,986.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.68 : 2,352.03 = 1,327.51 : x
  2. Step 2: Convert to fraction form
    1,571.68/2,352.03 = 1,327.51/x
  3. Step 3: Cross multiply
    1,571.68x = 2,352.03 × 1,327.51
  4. Step 4: Simplify right side
    1,571.68x = 3,122,343.35
  5. Step 5: Solve for x
    x = 3,122,343.35/1,571.68
  6. Step 6: Final answer
    x = 1,986.63

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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.