Home / 3,172.73-4,764.55-1,947.34

Finding the Fourth Proportional to 3,172.73, 4,764.55 and 1,947.34

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Solution

The fourth proportional to 3,172.73, 4,764.55 and 1,947.34 is: 2,924.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172.73 : 4,764.55 = 1,947.34 : x
  2. Step 2: Convert to fraction form
    3,172.73/4,764.55 = 1,947.34/x
  3. Step 3: Cross multiply
    3,172.73x = 4,764.55 × 1,947.34
  4. Step 4: Simplify right side
    3,172.73x = 9,278,182.02
  5. Step 5: Solve for x
    x = 9,278,182.02/3,172.73
  6. Step 6: Final answer
    x = 2,924.35

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1.5x scale

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.