Home / 2,072.20-2,858.66-1,232.43

Finding the Fourth Proportional to 2,072.20, 2,858.66 and 1,232.43

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Solution

The fourth proportional to 2,072.20, 2,858.66 and 1,232.43 is: 1,700.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072.20 : 2,858.66 = 1,232.43 : x
  2. Step 2: Convert to fraction form
    2,072.20/2,858.66 = 1,232.43/x
  3. Step 3: Cross multiply
    2,072.20x = 2,858.66 × 1,232.43
  4. Step 4: Simplify right side
    2,072.20x = 3,523,084.05
  5. Step 5: Solve for x
    x = 3,523,084.05/2,072.20
  6. Step 6: Final answer
    x = 1,700.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.