Home / 3,410.14-5,115.90-1,070.05

Finding the Fourth Proportional to 3,410.14, 5,115.90 and 1,070.05

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Solution

The fourth proportional to 3,410.14, 5,115.90 and 1,070.05 is: 1,605.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.14 : 5,115.90 = 1,070.05 : x
  2. Step 2: Convert to fraction form
    3,410.14/5,115.90 = 1,070.05/x
  3. Step 3: Cross multiply
    3,410.14x = 5,115.90 × 1,070.05
  4. Step 4: Simplify right side
    3,410.14x = 5,474,243.22
  5. Step 5: Solve for x
    x = 5,474,243.22/3,410.14
  6. Step 6: Final answer
    x = 1,605.29

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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.