Home / 3,572.33-5,360.51-1,381.21

Finding the Fourth Proportional to 3,572.33, 5,360.51 and 1,381.21

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Solution

The fourth proportional to 3,572.33, 5,360.51 and 1,381.21 is: 2,072.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,572.33 : 5,360.51 = 1,381.21 : x
  2. Step 2: Convert to fraction form
    3,572.33/5,360.51 = 1,381.21/x
  3. Step 3: Cross multiply
    3,572.33x = 5,360.51 × 1,381.21
  4. Step 4: Simplify right side
    3,572.33x = 7,403,990.02
  5. Step 5: Solve for x
    x = 7,403,990.02/3,572.33
  6. Step 6: Final answer
    x = 2,072.59

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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.