Home / 3,204.20-4,421.94-2,140.10

Finding the Fourth Proportional to 3,204.20, 4,421.94 and 2,140.10

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Solution

The fourth proportional to 3,204.20, 4,421.94 and 2,140.10 is: 2,953.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.20 : 4,421.94 = 2,140.10 : x
  2. Step 2: Convert to fraction form
    3,204.20/4,421.94 = 2,140.10/x
  3. Step 3: Cross multiply
    3,204.20x = 4,421.94 × 2,140.10
  4. Step 4: Simplify right side
    3,204.20x = 9,463,393.79
  5. Step 5: Solve for x
    x = 9,463,393.79/3,204.20
  6. Step 6: Final answer
    x = 2,953.43

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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.