Home / 3,204.42-4,422.72-1,807.20

Finding the Fourth Proportional to 3,204.42, 4,422.72 and 1,807.20

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Solution

The fourth proportional to 3,204.42, 4,422.72 and 1,807.20 is: 2,494.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.42 : 4,422.72 = 1,807.20 : x
  2. Step 2: Convert to fraction form
    3,204.42/4,422.72 = 1,807.20/x
  3. Step 3: Cross multiply
    3,204.42x = 4,422.72 × 1,807.20
  4. Step 4: Simplify right side
    3,204.42x = 7,992,739.58
  5. Step 5: Solve for x
    x = 7,992,739.58/3,204.42
  6. Step 6: Final answer
    x = 2,494.29

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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.