Home / 2,117.28-3,173.77-1,021.04

Finding the Fourth Proportional to 2,117.28, 3,173.77 and 1,021.04

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Solution

The fourth proportional to 2,117.28, 3,173.77 and 1,021.04 is: 1,530.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117.28 : 3,173.77 = 1,021.04 : x
  2. Step 2: Convert to fraction form
    2,117.28/3,173.77 = 1,021.04/x
  3. Step 3: Cross multiply
    2,117.28x = 3,173.77 × 1,021.04
  4. Step 4: Simplify right side
    2,117.28x = 3,240,546.12
  5. Step 5: Solve for x
    x = 3,240,546.12/2,117.28
  6. Step 6: Final answer
    x = 1,530.52

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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.