Home / 3,607.57-5,409.42-1,851.85

Finding the Fourth Proportional to 3,607.57, 5,409.42 and 1,851.85

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Solution

The fourth proportional to 3,607.57, 5,409.42 and 1,851.85 is: 2,776.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,607.57 : 5,409.42 = 1,851.85 : x
  2. Step 2: Convert to fraction form
    3,607.57/5,409.42 = 1,851.85/x
  3. Step 3: Cross multiply
    3,607.57x = 5,409.42 × 1,851.85
  4. Step 4: Simplify right side
    3,607.57x = 10,017,434.43
  5. Step 5: Solve for x
    x = 10,017,434.43/3,607.57
  6. Step 6: Final answer
    x = 2,776.78

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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.