Home / 3,975.48-5,485.96-2,207.04

Finding the Fourth Proportional to 3,975.48, 5,485.96 and 2,207.04

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Solution

The fourth proportional to 3,975.48, 5,485.96 and 2,207.04 is: 3,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.48 : 5,485.96 = 2,207.04 : x
  2. Step 2: Convert to fraction form
    3,975.48/5,485.96 = 2,207.04/x
  3. Step 3: Cross multiply
    3,975.48x = 5,485.96 × 2,207.04
  4. Step 4: Simplify right side
    3,975.48x = 12,107,733.16
  5. Step 5: Solve for x
    x = 12,107,733.16/3,975.48
  6. Step 6: Final answer
    x = 3,045.60

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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.