Home / 3,975.58-5,486.40-2,207.14

Finding the Fourth Proportional to 3,975.58, 5,486.40 and 2,207.14

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Solution

The fourth proportional to 3,975.58, 5,486.40 and 2,207.14 is: 3,045.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.58 : 5,486.40 = 2,207.14 : x
  2. Step 2: Convert to fraction form
    3,975.58/5,486.40 = 2,207.14/x
  3. Step 3: Cross multiply
    3,975.58x = 5,486.40 × 2,207.14
  4. Step 4: Simplify right side
    3,975.58x = 12,109,252.90
  5. Step 5: Solve for x
    x = 12,109,252.90/3,975.58
  6. Step 6: Final answer
    x = 3,045.91

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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.