Home / 3,291.10-4,936.71-951.28

Finding the Fourth Proportional to 3,291.10, 4,936.71 and 951.28

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Solution

The fourth proportional to 3,291.10, 4,936.71 and 951.28 is: 1,426.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.10 : 4,936.71 = 951.28 : x
  2. Step 2: Convert to fraction form
    3,291.10/4,936.71 = 951.28/x
  3. Step 3: Cross multiply
    3,291.10x = 4,936.71 × 951.28
  4. Step 4: Simplify right side
    3,291.10x = 4,696,193.49
  5. Step 5: Solve for x
    x = 4,696,193.49/3,291.10
  6. Step 6: Final answer
    x = 1,426.94

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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.