Home / 3,354.11-5,029.32-1,405.85

Finding the Fourth Proportional to 3,354.11, 5,029.32 and 1,405.85

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Solution

The fourth proportional to 3,354.11, 5,029.32 and 1,405.85 is: 2,108.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354.11 : 5,029.32 = 1,405.85 : x
  2. Step 2: Convert to fraction form
    3,354.11/5,029.32 = 1,405.85/x
  3. Step 3: Cross multiply
    3,354.11x = 5,029.32 × 1,405.85
  4. Step 4: Simplify right side
    3,354.11x = 7,070,444.38
  5. Step 5: Solve for x
    x = 7,070,444.38/3,354.11
  6. Step 6: Final answer
    x = 2,108.00

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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.