Home / 3,915.10-5,874.50-1,968.67

Finding the Fourth Proportional to 3,915.10, 5,874.50 and 1,968.67

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Solution

The fourth proportional to 3,915.10, 5,874.50 and 1,968.67 is: 2,953.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,915.10 : 5,874.50 = 1,968.67 : x
  2. Step 2: Convert to fraction form
    3,915.10/5,874.50 = 1,968.67/x
  3. Step 3: Cross multiply
    3,915.10x = 5,874.50 × 1,968.67
  4. Step 4: Simplify right side
    3,915.10x = 11,564,951.92
  5. Step 5: Solve for x
    x = 11,564,951.92/3,915.10
  6. Step 6: Final answer
    x = 2,953.94

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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.