Home / 3,967.56-5,475-2,199.12

Finding the Fourth Proportional to 3,967.56, 5,475 and 2,199.12

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Solution

The fourth proportional to 3,967.56, 5,475 and 2,199.12 is: 3,034.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,967.56 : 5,475 = 2,199.12 : x
  2. Step 2: Convert to fraction form
    3,967.56/5,475 = 2,199.12/x
  3. Step 3: Cross multiply
    3,967.56x = 5,475 × 2,199.12
  4. Step 4: Simplify right side
    3,967.56x = 12,040,182
  5. Step 5: Solve for x
    x = 12,040,182/3,967.56
  6. Step 6: Final answer
    x = 3,034.66

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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.