Home / 4,021.77-5,550.04-2,253.39

Finding the Fourth Proportional to 4,021.77, 5,550.04 and 2,253.39

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Solution

The fourth proportional to 4,021.77, 5,550.04 and 2,253.39 is: 3,109.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.77 : 5,550.04 = 2,253.39 : x
  2. Step 2: Convert to fraction form
    4,021.77/5,550.04 = 2,253.39/x
  3. Step 3: Cross multiply
    4,021.77x = 5,550.04 × 2,253.39
  4. Step 4: Simplify right side
    4,021.77x = 12,506,399.00
  5. Step 5: Solve for x
    x = 12,506,399.00/4,021.77
  6. Step 6: Final answer
    x = 3,109.68

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Half scale
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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.