Home / 2,912.18-4,360.64-2,671.61

Finding the Fourth Proportional to 2,912.18, 4,360.64 and 2,671.61

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Solution

The fourth proportional to 2,912.18, 4,360.64 and 2,671.61 is: 4,000.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.18 : 4,360.64 = 2,671.61 : x
  2. Step 2: Convert to fraction form
    2,912.18/4,360.64 = 2,671.61/x
  3. Step 3: Cross multiply
    2,912.18x = 4,360.64 × 2,671.61
  4. Step 4: Simplify right side
    2,912.18x = 11,649,894.27
  5. Step 5: Solve for x
    x = 11,649,894.27/2,912.18
  6. Step 6: Final answer
    x = 4,000.41

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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.