Home / 3,490.62-4,814.94-2,073.78

Finding the Fourth Proportional to 3,490.62, 4,814.94 and 2,073.78

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Solution

The fourth proportional to 3,490.62, 4,814.94 and 2,073.78 is: 2,860.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.62 : 4,814.94 = 2,073.78 : x
  2. Step 2: Convert to fraction form
    3,490.62/4,814.94 = 2,073.78/x
  3. Step 3: Cross multiply
    3,490.62x = 4,814.94 × 2,073.78
  4. Step 4: Simplify right side
    3,490.62x = 9,985,126.27
  5. Step 5: Solve for x
    x = 9,985,126.27/3,490.62
  6. Step 6: Final answer
    x = 2,860.56

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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.