Home / 2,681.32-4,016.16-2,213.88

Finding the Fourth Proportional to 2,681.32, 4,016.16 and 2,213.88

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Solution

The fourth proportional to 2,681.32, 4,016.16 and 2,213.88 is: 3,316.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681.32 : 4,016.16 = 2,213.88 : x
  2. Step 2: Convert to fraction form
    2,681.32/4,016.16 = 2,213.88/x
  3. Step 3: Cross multiply
    2,681.32x = 4,016.16 × 2,213.88
  4. Step 4: Simplify right side
    2,681.32x = 8,891,296.30
  5. Step 5: Solve for x
    x = 8,891,296.30/2,681.32
  6. Step 6: Final answer
    x = 3,316.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.