Home / 3,172.66-4,377.65-1,993.04

Finding the Fourth Proportional to 3,172.66, 4,377.65 and 1,993.04

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Solution

The fourth proportional to 3,172.66, 4,377.65 and 1,993.04 is: 2,750.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.66 : 4,377.65 = 1,993.04 : x
  2. Step 2: Convert to fraction form
    3,172.66/4,377.65 = 1,993.04/x
  3. Step 3: Cross multiply
    3,172.66x = 4,377.65 × 1,993.04
  4. Step 4: Simplify right side
    3,172.66x = 8,724,834.59
  5. Step 5: Solve for x
    x = 8,724,834.59/3,172.66
  6. Step 6: Final answer
    x = 2,750.01

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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.