Home / 3,053.80-4,234.99-2,909.80

Finding the Fourth Proportional to 3,053.80, 4,234.99 and 2,909.80

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Solution

The fourth proportional to 3,053.80, 4,234.99 and 2,909.80 is: 4,035.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,053.80 : 4,234.99 = 2,909.80 : x
  2. Step 2: Convert to fraction form
    3,053.80/4,234.99 = 2,909.80/x
  3. Step 3: Cross multiply
    3,053.80x = 4,234.99 × 2,909.80
  4. Step 4: Simplify right side
    3,053.80x = 12,322,973.90
  5. Step 5: Solve for x
    x = 12,322,973.90/3,053.80
  6. Step 6: Final answer
    x = 4,035.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.