Home / 4,021.92-5,550.03-2,253.47

Finding the Fourth Proportional to 4,021.92, 5,550.03 and 2,253.47

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Solution

The fourth proportional to 4,021.92, 5,550.03 and 2,253.47 is: 3,109.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.92 : 5,550.03 = 2,253.47 : x
  2. Step 2: Convert to fraction form
    4,021.92/5,550.03 = 2,253.47/x
  3. Step 3: Cross multiply
    4,021.92x = 5,550.03 × 2,253.47
  4. Step 4: Simplify right side
    4,021.92x = 12,506,798.35
  5. Step 5: Solve for x
    x = 12,506,798.35/4,021.92
  6. Step 6: Final answer
    x = 3,109.66

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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.