Home / 3,105.30-4,658.40-1,461.90

Finding the Fourth Proportional to 3,105.30, 4,658.40 and 1,461.90

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Solution

The fourth proportional to 3,105.30, 4,658.40 and 1,461.90 is: 2,193.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,105.30 : 4,658.40 = 1,461.90 : x
  2. Step 2: Convert to fraction form
    3,105.30/4,658.40 = 1,461.90/x
  3. Step 3: Cross multiply
    3,105.30x = 4,658.40 × 1,461.90
  4. Step 4: Simplify right side
    3,105.30x = 6,810,114.96
  5. Step 5: Solve for x
    x = 6,810,114.96/3,105.30
  6. Step 6: Final answer
    x = 2,193.06

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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.