Home / 4,021.93-5,550.12-2,253.49

Finding the Fourth Proportional to 4,021.93, 5,550.12 and 2,253.49

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Solution

The fourth proportional to 4,021.93, 5,550.12 and 2,253.49 is: 3,109.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.93 : 5,550.12 = 2,253.49 : x
  2. Step 2: Convert to fraction form
    4,021.93/5,550.12 = 2,253.49/x
  3. Step 3: Cross multiply
    4,021.93x = 5,550.12 × 2,253.49
  4. Step 4: Simplify right side
    4,021.93x = 12,507,139.92
  5. Step 5: Solve for x
    x = 12,507,139.92/4,021.93
  6. Step 6: Final answer
    x = 3,109.74

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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.