Home / 3,911.66-5,868.84-2,449.07

Finding the Fourth Proportional to 3,911.66, 5,868.84 and 2,449.07

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Solution

The fourth proportional to 3,911.66, 5,868.84 and 2,449.07 is: 3,674.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.66 : 5,868.84 = 2,449.07 : x
  2. Step 2: Convert to fraction form
    3,911.66/5,868.84 = 2,449.07/x
  3. Step 3: Cross multiply
    3,911.66x = 5,868.84 × 2,449.07
  4. Step 4: Simplify right side
    3,911.66x = 14,373,199.98
  5. Step 5: Solve for x
    x = 14,373,199.98/3,911.66
  6. Step 6: Final answer
    x = 3,674.45

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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.