Home / 3,431.56-4,733.81-2,170.49

Finding the Fourth Proportional to 3,431.56, 4,733.81 and 2,170.49

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Solution

The fourth proportional to 3,431.56, 4,733.81 and 2,170.49 is: 2,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,431.56 : 4,733.81 = 2,170.49 : x
  2. Step 2: Convert to fraction form
    3,431.56/4,733.81 = 2,170.49/x
  3. Step 3: Cross multiply
    3,431.56x = 4,733.81 × 2,170.49
  4. Step 4: Simplify right side
    3,431.56x = 10,274,687.27
  5. Step 5: Solve for x
    x = 10,274,687.27/3,431.56
  6. Step 6: Final answer
    x = 2,994.17

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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.