Home / 2,580.44-3,561.06-1,571.80

Finding the Fourth Proportional to 2,580.44, 3,561.06 and 1,571.80

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Solution

The fourth proportional to 2,580.44, 3,561.06 and 1,571.80 is: 2,169.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.44 : 3,561.06 = 1,571.80 : x
  2. Step 2: Convert to fraction form
    2,580.44/3,561.06 = 1,571.80/x
  3. Step 3: Cross multiply
    2,580.44x = 3,561.06 × 1,571.80
  4. Step 4: Simplify right side
    2,580.44x = 5,597,274.11
  5. Step 5: Solve for x
    x = 5,597,274.11/2,580.44
  6. Step 6: Final answer
    x = 2,169.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.