Home / 3,170.10-4,368.69-2,755.38

Finding the Fourth Proportional to 3,170.10, 4,368.69 and 2,755.38

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Solution

The fourth proportional to 3,170.10, 4,368.69 and 2,755.38 is: 3,797.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,170.10 : 4,368.69 = 2,755.38 : x
  2. Step 2: Convert to fraction form
    3,170.10/4,368.69 = 2,755.38/x
  3. Step 3: Cross multiply
    3,170.10x = 4,368.69 × 2,755.38
  4. Step 4: Simplify right side
    3,170.10x = 12,037,401.05
  5. Step 5: Solve for x
    x = 12,037,401.05/3,170.10
  6. Step 6: Final answer
    x = 3,797.17

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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.