Home / 3,514.07-4,851.66-2,189.72

Finding the Fourth Proportional to 3,514.07, 4,851.66 and 2,189.72

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Solution

The fourth proportional to 3,514.07, 4,851.66 and 2,189.72 is: 3,023.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.07 : 4,851.66 = 2,189.72 : x
  2. Step 2: Convert to fraction form
    3,514.07/4,851.66 = 2,189.72/x
  3. Step 3: Cross multiply
    3,514.07x = 4,851.66 × 2,189.72
  4. Step 4: Simplify right side
    3,514.07x = 10,623,776.94
  5. Step 5: Solve for x
    x = 10,623,776.94/3,514.07
  6. Step 6: Final answer
    x = 3,023.21

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1.5x scale

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.