Home / 3,170.00-4,755.68-1,320.17

Finding the Fourth Proportional to 3,170.00, 4,755.68 and 1,320.17

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Solution

The fourth proportional to 3,170.00, 4,755.68 and 1,320.17 is: 1,980.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.00 : 4,755.68 = 1,320.17 : x
  2. Step 2: Convert to fraction form
    3,170.00/4,755.68 = 1,320.17/x
  3. Step 3: Cross multiply
    3,170.00x = 4,755.68 × 1,320.17
  4. Step 4: Simplify right side
    3,170.00x = 6,278,280.64
  5. Step 5: Solve for x
    x = 6,278,280.64/3,170.00
  6. Step 6: Final answer
    x = 1,980.53

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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.