Home / 3,434.70-4,736.32-2,938.98

Finding the Fourth Proportional to 3,434.70, 4,736.32 and 2,938.98

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Solution

The fourth proportional to 3,434.70, 4,736.32 and 2,938.98 is: 4,052.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.70 : 4,736.32 = 2,938.98 : x
  2. Step 2: Convert to fraction form
    3,434.70/4,736.32 = 2,938.98/x
  3. Step 3: Cross multiply
    3,434.70x = 4,736.32 × 2,938.98
  4. Step 4: Simplify right side
    3,434.70x = 13,919,949.75
  5. Step 5: Solve for x
    x = 13,919,949.75/3,434.70
  6. Step 6: Final answer
    x = 4,052.74

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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.