Home / 3,434.69-4,736.34-2,938.97

Finding the Fourth Proportional to 3,434.69, 4,736.34 and 2,938.97

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Solution

The fourth proportional to 3,434.69, 4,736.34 and 2,938.97 is: 4,052.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,434.69 : 4,736.34 = 2,938.97 : x
  2. Step 2: Convert to fraction form
    3,434.69/4,736.34 = 2,938.97/x
  3. Step 3: Cross multiply
    3,434.69x = 4,736.34 × 2,938.97
  4. Step 4: Simplify right side
    3,434.69x = 13,919,973.01
  5. Step 5: Solve for x
    x = 13,919,973.01/3,434.69
  6. Step 6: Final answer
    x = 4,052.76

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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.