Home / 3,553.48-4,900.26-3,109.96

Finding the Fourth Proportional to 3,553.48, 4,900.26 and 3,109.96

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Solution

The fourth proportional to 3,553.48, 4,900.26 and 3,109.96 is: 4,288.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.48 : 4,900.26 = 3,109.96 : x
  2. Step 2: Convert to fraction form
    3,553.48/4,900.26 = 3,109.96/x
  3. Step 3: Cross multiply
    3,553.48x = 4,900.26 × 3,109.96
  4. Step 4: Simplify right side
    3,553.48x = 15,239,612.59
  5. Step 5: Solve for x
    x = 15,239,612.59/3,553.48
  6. Step 6: Final answer
    x = 4,288.64

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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.