Home / 3,560.35-4,911.78-2,381.80

Finding the Fourth Proportional to 3,560.35, 4,911.78 and 2,381.80

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Solution

The fourth proportional to 3,560.35, 4,911.78 and 2,381.80 is: 3,285.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,560.35 : 4,911.78 = 2,381.80 : x
  2. Step 2: Convert to fraction form
    3,560.35/4,911.78 = 2,381.80/x
  3. Step 3: Cross multiply
    3,560.35x = 4,911.78 × 2,381.80
  4. Step 4: Simplify right side
    3,560.35x = 11,698,879.28
  5. Step 5: Solve for x
    x = 11,698,879.28/3,560.35
  6. Step 6: Final answer
    x = 3,285.88

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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.