Home / 3,740.10-5,609.31-1,107.06

Finding the Fourth Proportional to 3,740.10, 5,609.31 and 1,107.06

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Solution

The fourth proportional to 3,740.10, 5,609.31 and 1,107.06 is: 1,660.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.10 : 5,609.31 = 1,107.06 : x
  2. Step 2: Convert to fraction form
    3,740.10/5,609.31 = 1,107.06/x
  3. Step 3: Cross multiply
    3,740.10x = 5,609.31 × 1,107.06
  4. Step 4: Simplify right side
    3,740.10x = 6,209,842.73
  5. Step 5: Solve for x
    x = 6,209,842.73/3,740.10
  6. Step 6: Final answer
    x = 1,660.34

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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.