Home / 3,571.16-5,358.51-1,381.41

Finding the Fourth Proportional to 3,571.16, 5,358.51 and 1,381.41

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Solution

The fourth proportional to 3,571.16, 5,358.51 and 1,381.41 is: 2,072.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.16 : 5,358.51 = 1,381.41 : x
  2. Step 2: Convert to fraction form
    3,571.16/5,358.51 = 1,381.41/x
  3. Step 3: Cross multiply
    3,571.16x = 5,358.51 × 1,381.41
  4. Step 4: Simplify right side
    3,571.16x = 7,402,299.30
  5. Step 5: Solve for x
    x = 7,402,299.30/3,571.16
  6. Step 6: Final answer
    x = 2,072.80

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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.