Home / 2,956.20-4,435.85-1,915.94

Finding the Fourth Proportional to 2,956.20, 4,435.85 and 1,915.94

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Solution

The fourth proportional to 2,956.20, 4,435.85 and 1,915.94 is: 2,874.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.20 : 4,435.85 = 1,915.94 : x
  2. Step 2: Convert to fraction form
    2,956.20/4,435.85 = 1,915.94/x
  3. Step 3: Cross multiply
    2,956.20x = 4,435.85 × 1,915.94
  4. Step 4: Simplify right side
    2,956.20x = 8,498,800.27
  5. Step 5: Solve for x
    x = 8,498,800.27/2,956.20
  6. Step 6: Final answer
    x = 2,874.91

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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.