Home / 2,172.73-3,263.46-1,296.95

Finding the Fourth Proportional to 2,172.73, 3,263.46 and 1,296.95

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Solution

The fourth proportional to 2,172.73, 3,263.46 and 1,296.95 is: 1,948.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172.73 : 3,263.46 = 1,296.95 : x
  2. Step 2: Convert to fraction form
    2,172.73/3,263.46 = 1,296.95/x
  3. Step 3: Cross multiply
    2,172.73x = 3,263.46 × 1,296.95
  4. Step 4: Simplify right side
    2,172.73x = 4,232,528.13
  5. Step 5: Solve for x
    x = 4,232,528.13/2,172.73
  6. Step 6: Final answer
    x = 1,948.03

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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.