Home / 3,582.20-4,943.73-2,090.21

Finding the Fourth Proportional to 3,582.20, 4,943.73 and 2,090.21

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Solution

The fourth proportional to 3,582.20, 4,943.73 and 2,090.21 is: 2,884.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,582.20 : 4,943.73 = 2,090.21 : x
  2. Step 2: Convert to fraction form
    3,582.20/4,943.73 = 2,090.21/x
  3. Step 3: Cross multiply
    3,582.20x = 4,943.73 × 2,090.21
  4. Step 4: Simplify right side
    3,582.20x = 10,333,433.88
  5. Step 5: Solve for x
    x = 10,333,433.88/3,582.20
  6. Step 6: Final answer
    x = 2,884.66

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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.