Home / 3,133.80-4,700.70-943.29

Finding the Fourth Proportional to 3,133.80, 4,700.70 and 943.29

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Solution

The fourth proportional to 3,133.80, 4,700.70 and 943.29 is: 1,414.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.80 : 4,700.70 = 943.29 : x
  2. Step 2: Convert to fraction form
    3,133.80/4,700.70 = 943.29/x
  3. Step 3: Cross multiply
    3,133.80x = 4,700.70 × 943.29
  4. Step 4: Simplify right side
    3,133.80x = 4,434,123.30
  5. Step 5: Solve for x
    x = 4,434,123.30/3,133.80
  6. Step 6: Final answer
    x = 1,414.94

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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.