Home / 2,102.12-2,899.90-1,633.14

Finding the Fourth Proportional to 2,102.12, 2,899.90 and 1,633.14

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Solution

The fourth proportional to 2,102.12, 2,899.90 and 1,633.14 is: 2,252.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102.12 : 2,899.90 = 1,633.14 : x
  2. Step 2: Convert to fraction form
    2,102.12/2,899.90 = 1,633.14/x
  3. Step 3: Cross multiply
    2,102.12x = 2,899.90 × 1,633.14
  4. Step 4: Simplify right side
    2,102.12x = 4,735,942.69
  5. Step 5: Solve for x
    x = 4,735,942.69/2,102.12
  6. Step 6: Final answer
    x = 2,252.94

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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.