Home / 3,204.94-4,422.81-1,807.68

Finding the Fourth Proportional to 3,204.94, 4,422.81 and 1,807.68

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Solution

The fourth proportional to 3,204.94, 4,422.81 and 1,807.68 is: 2,494.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.94 : 4,422.81 = 1,807.68 : x
  2. Step 2: Convert to fraction form
    3,204.94/4,422.81 = 1,807.68/x
  3. Step 3: Cross multiply
    3,204.94x = 4,422.81 × 1,807.68
  4. Step 4: Simplify right side
    3,204.94x = 7,995,025.18
  5. Step 5: Solve for x
    x = 7,995,025.18/3,204.94
  6. Step 6: Final answer
    x = 2,494.59

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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.