Home / 3,406.70-5,107.45-1,762.19

Finding the Fourth Proportional to 3,406.70, 5,107.45 and 1,762.19

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Solution

The fourth proportional to 3,406.70, 5,107.45 and 1,762.19 is: 2,641.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.70 : 5,107.45 = 1,762.19 : x
  2. Step 2: Convert to fraction form
    3,406.70/5,107.45 = 1,762.19/x
  3. Step 3: Cross multiply
    3,406.70x = 5,107.45 × 1,762.19
  4. Step 4: Simplify right side
    3,406.70x = 9,000,297.32
  5. Step 5: Solve for x
    x = 9,000,297.32/3,406.70
  6. Step 6: Final answer
    x = 2,641.94

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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.