Home / 2,571.89-3,549.21-1,392.94

Finding the Fourth Proportional to 2,571.89, 3,549.21 and 1,392.94

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Solution

The fourth proportional to 2,571.89, 3,549.21 and 1,392.94 is: 1,922.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.89 : 3,549.21 = 1,392.94 : x
  2. Step 2: Convert to fraction form
    2,571.89/3,549.21 = 1,392.94/x
  3. Step 3: Cross multiply
    2,571.89x = 3,549.21 × 1,392.94
  4. Step 4: Simplify right side
    2,571.89x = 4,943,835.79
  5. Step 5: Solve for x
    x = 4,943,835.79/2,571.89
  6. Step 6: Final answer
    x = 1,922.26

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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.