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Finding the Fourth Proportional to 3,514.86, 4,850.82 and 1,943.10

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Solution

The fourth proportional to 3,514.86, 4,850.82 and 1,943.10 is: 2,681.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,514.86 : 4,850.82 = 1,943.10 : x
  2. Step 2: Convert to fraction form
    3,514.86/4,850.82 = 1,943.10/x
  3. Step 3: Cross multiply
    3,514.86x = 4,850.82 × 1,943.10
  4. Step 4: Simplify right side
    3,514.86x = 9,425,628.34
  5. Step 5: Solve for x
    x = 9,425,628.34/3,514.86
  6. Step 6: Final answer
    x = 2,681.65

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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.