Home / 3,942.05-5,440.55-2,525.96

Finding the Fourth Proportional to 3,942.05, 5,440.55 and 2,525.96

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Solution

The fourth proportional to 3,942.05, 5,440.55 and 2,525.96 is: 3,486.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942.05 : 5,440.55 = 2,525.96 : x
  2. Step 2: Convert to fraction form
    3,942.05/5,440.55 = 2,525.96/x
  3. Step 3: Cross multiply
    3,942.05x = 5,440.55 × 2,525.96
  4. Step 4: Simplify right side
    3,942.05x = 13,742,612.65
  5. Step 5: Solve for x
    x = 13,742,612.65/3,942.05
  6. Step 6: Final answer
    x = 3,486.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.