Home / 4,021.59-5,550.21-2,320.16

Finding the Fourth Proportional to 4,021.59, 5,550.21 and 2,320.16

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Solution

The fourth proportional to 4,021.59, 5,550.21 and 2,320.16 is: 3,202.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,021.59 : 5,550.21 = 2,320.16 : x
  2. Step 2: Convert to fraction form
    4,021.59/5,550.21 = 2,320.16/x
  3. Step 3: Cross multiply
    4,021.59x = 5,550.21 × 2,320.16
  4. Step 4: Simplify right side
    4,021.59x = 12,877,363.63
  5. Step 5: Solve for x
    x = 12,877,363.63/4,021.59
  6. Step 6: Final answer
    x = 3,202.06

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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.