Home / 3,947.04-5,919.52-1,172.96

Finding the Fourth Proportional to 3,947.04, 5,919.52 and 1,172.96

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Solution

The fourth proportional to 3,947.04, 5,919.52 and 1,172.96 is: 1,759.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.04 : 5,919.52 = 1,172.96 : x
  2. Step 2: Convert to fraction form
    3,947.04/5,919.52 = 1,172.96/x
  3. Step 3: Cross multiply
    3,947.04x = 5,919.52 × 1,172.96
  4. Step 4: Simplify right side
    3,947.04x = 6,943,360.18
  5. Step 5: Solve for x
    x = 6,943,360.18/3,947.04
  6. Step 6: Final answer
    x = 1,759.13

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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.