Home / 2,951.31-4,426.97-1,307.41

Finding the Fourth Proportional to 2,951.31, 4,426.97 and 1,307.41

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Solution

The fourth proportional to 2,951.31, 4,426.97 and 1,307.41 is: 1,961.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.31 : 4,426.97 = 1,307.41 : x
  2. Step 2: Convert to fraction form
    2,951.31/4,426.97 = 1,307.41/x
  3. Step 3: Cross multiply
    2,951.31x = 4,426.97 × 1,307.41
  4. Step 4: Simplify right side
    2,951.31x = 5,787,864.85
  5. Step 5: Solve for x
    x = 5,787,864.85/2,951.31
  6. Step 6: Final answer
    x = 1,961.12

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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.