Home / 3,172.01-4,377.74-2,639.96

Finding the Fourth Proportional to 3,172.01, 4,377.74 and 2,639.96

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Solution

The fourth proportional to 3,172.01, 4,377.74 and 2,639.96 is: 3,643.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.01 : 4,377.74 = 2,639.96 : x
  2. Step 2: Convert to fraction form
    3,172.01/4,377.74 = 2,639.96/x
  3. Step 3: Cross multiply
    3,172.01x = 4,377.74 × 2,639.96
  4. Step 4: Simplify right side
    3,172.01x = 11,557,023.40
  5. Step 5: Solve for x
    x = 11,557,023.40/3,172.01
  6. Step 6: Final answer
    x = 3,643.44

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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.