Home / 3,170.80-4,755.81-1,322.14

Finding the Fourth Proportional to 3,170.80, 4,755.81 and 1,322.14

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Solution

The fourth proportional to 3,170.80, 4,755.81 and 1,322.14 is: 1,983.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.80 : 4,755.81 = 1,322.14 : x
  2. Step 2: Convert to fraction form
    3,170.80/4,755.81 = 1,322.14/x
  3. Step 3: Cross multiply
    3,170.80x = 4,755.81 × 1,322.14
  4. Step 4: Simplify right side
    3,170.80x = 6,287,846.63
  5. Step 5: Solve for x
    x = 6,287,846.63/3,170.80
  6. Step 6: Final answer
    x = 1,983.05

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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.