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Finding the Fourth Proportional to 3,259.98, 4,499.35 and 1,934.42

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Solution

The fourth proportional to 3,259.98, 4,499.35 and 1,934.42 is: 2,669.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.98 : 4,499.35 = 1,934.42 : x
  2. Step 2: Convert to fraction form
    3,259.98/4,499.35 = 1,934.42/x
  3. Step 3: Cross multiply
    3,259.98x = 4,499.35 × 1,934.42
  4. Step 4: Simplify right side
    3,259.98x = 8,703,605.29
  5. Step 5: Solve for x
    x = 8,703,605.29/3,259.98
  6. Step 6: Final answer
    x = 2,669.83

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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.