Home / 2,114.02-3,171.46-1,248.12

Finding the Fourth Proportional to 2,114.02, 3,171.46 and 1,248.12

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Solution

The fourth proportional to 2,114.02, 3,171.46 and 1,248.12 is: 1,872.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,114.02 : 3,171.46 = 1,248.12 : x
  2. Step 2: Convert to fraction form
    2,114.02/3,171.46 = 1,248.12/x
  3. Step 3: Cross multiply
    2,114.02x = 3,171.46 × 1,248.12
  4. Step 4: Simplify right side
    2,114.02x = 3,958,362.66
  5. Step 5: Solve for x
    x = 3,958,362.66/2,114.02
  6. Step 6: Final answer
    x = 1,872.43

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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.