Home / 2,114.44-3,172.57-1,248.75

Finding the Fourth Proportional to 2,114.44, 3,172.57 and 1,248.75

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Solution

The fourth proportional to 2,114.44, 3,172.57 and 1,248.75 is: 1,873.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.44 : 3,172.57 = 1,248.75 : x
  2. Step 2: Convert to fraction form
    2,114.44/3,172.57 = 1,248.75/x
  3. Step 3: Cross multiply
    2,114.44x = 3,172.57 × 1,248.75
  4. Step 4: Simplify right side
    2,114.44x = 3,961,743.67
  5. Step 5: Solve for x
    x = 3,961,743.67/2,114.44
  6. Step 6: Final answer
    x = 1,873.66

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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.