Home / 2,101.50-3,151.28-1,514.04

Finding the Fourth Proportional to 2,101.50, 3,151.28 and 1,514.04

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Solution

The fourth proportional to 2,101.50, 3,151.28 and 1,514.04 is: 2,270.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,101.50 : 3,151.28 = 1,514.04 : x
  2. Step 2: Convert to fraction form
    2,101.50/3,151.28 = 1,514.04/x
  3. Step 3: Cross multiply
    2,101.50x = 3,151.28 × 1,514.04
  4. Step 4: Simplify right side
    2,101.50x = 4,771,163.97
  5. Step 5: Solve for x
    x = 4,771,163.97/2,101.50
  6. Step 6: Final answer
    x = 2,270.36

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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.