Home / 3,172.62-4,374.02-2,603.37

Finding the Fourth Proportional to 3,172.62, 4,374.02 and 2,603.37

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Solution

The fourth proportional to 3,172.62, 4,374.02 and 2,603.37 is: 3,589.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.62 : 4,374.02 = 2,603.37 : x
  2. Step 2: Convert to fraction form
    3,172.62/4,374.02 = 2,603.37/x
  3. Step 3: Cross multiply
    3,172.62x = 4,374.02 × 2,603.37
  4. Step 4: Simplify right side
    3,172.62x = 11,387,192.45
  5. Step 5: Solve for x
    x = 11,387,192.45/3,172.62
  6. Step 6: Final answer
    x = 3,589.21

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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.