Home / 3,312.34-4,969.24-1,091.85

Finding the Fourth Proportional to 3,312.34, 4,969.24 and 1,091.85

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Solution

The fourth proportional to 3,312.34, 4,969.24 and 1,091.85 is: 1,638.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.34 : 4,969.24 = 1,091.85 : x
  2. Step 2: Convert to fraction form
    3,312.34/4,969.24 = 1,091.85/x
  3. Step 3: Cross multiply
    3,312.34x = 4,969.24 × 1,091.85
  4. Step 4: Simplify right side
    3,312.34x = 5,425,671.66
  5. Step 5: Solve for x
    x = 5,425,671.66/3,312.34
  6. Step 6: Final answer
    x = 1,638.02

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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.