Home / 2,961.02-4,440.11-1,399.72

Finding the Fourth Proportional to 2,961.02, 4,440.11 and 1,399.72

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Solution

The fourth proportional to 2,961.02, 4,440.11 and 1,399.72 is: 2,098.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,961.02 : 4,440.11 = 1,399.72 : x
  2. Step 2: Convert to fraction form
    2,961.02/4,440.11 = 1,399.72/x
  3. Step 3: Cross multiply
    2,961.02x = 4,440.11 × 1,399.72
  4. Step 4: Simplify right side
    2,961.02x = 6,214,910.77
  5. Step 5: Solve for x
    x = 6,214,910.77/2,961.02
  6. Step 6: Final answer
    x = 2,098.91

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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.