Home / 3,935.15-5,902.72-2,698.81

Finding the Fourth Proportional to 3,935.15, 5,902.72 and 2,698.81

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Solution

The fourth proportional to 3,935.15, 5,902.72 and 2,698.81 is: 4,048.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.15 : 5,902.72 = 2,698.81 : x
  2. Step 2: Convert to fraction form
    3,935.15/5,902.72 = 2,698.81/x
  3. Step 3: Cross multiply
    3,935.15x = 5,902.72 × 2,698.81
  4. Step 4: Simplify right side
    3,935.15x = 15,930,312.96
  5. Step 5: Solve for x
    x = 15,930,312.96/3,935.15
  6. Step 6: Final answer
    x = 4,048.21

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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.