Home / 3,204.34-4,420.80-2,157.10

Finding the Fourth Proportional to 3,204.34, 4,420.80 and 2,157.10

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Solution

The fourth proportional to 3,204.34, 4,420.80 and 2,157.10 is: 2,976.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.34 : 4,420.80 = 2,157.10 : x
  2. Step 2: Convert to fraction form
    3,204.34/4,420.80 = 2,157.10/x
  3. Step 3: Cross multiply
    3,204.34x = 4,420.80 × 2,157.10
  4. Step 4: Simplify right side
    3,204.34x = 9,536,107.68
  5. Step 5: Solve for x
    x = 9,536,107.68/3,204.34
  6. Step 6: Final answer
    x = 2,976.00

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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.