Home / 3,975.54-5,486.04-2,207.10

Finding the Fourth Proportional to 3,975.54, 5,486.04 and 2,207.10

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Solution

The fourth proportional to 3,975.54, 5,486.04 and 2,207.10 is: 3,045.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,975.54 : 5,486.04 = 2,207.10 : x
  2. Step 2: Convert to fraction form
    3,975.54/5,486.04 = 2,207.10/x
  3. Step 3: Cross multiply
    3,975.54x = 5,486.04 × 2,207.10
  4. Step 4: Simplify right side
    3,975.54x = 12,108,238.88
  5. Step 5: Solve for x
    x = 12,108,238.88/3,975.54
  6. Step 6: Final answer
    x = 3,045.68

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1.5x scale

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.