Home / 3,721.47-5,584.43-1,381.08

Finding the Fourth Proportional to 3,721.47, 5,584.43 and 1,381.08

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Solution

The fourth proportional to 3,721.47, 5,584.43 and 1,381.08 is: 2,072.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.47 : 5,584.43 = 1,381.08 : x
  2. Step 2: Convert to fraction form
    3,721.47/5,584.43 = 1,381.08/x
  3. Step 3: Cross multiply
    3,721.47x = 5,584.43 × 1,381.08
  4. Step 4: Simplify right side
    3,721.47x = 7,712,544.58
  5. Step 5: Solve for x
    x = 7,712,544.58/3,721.47
  6. Step 6: Final answer
    x = 2,072.45

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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.