Home / 3,204.64-4,807.86-2,655.15

Finding the Fourth Proportional to 3,204.64, 4,807.86 and 2,655.15

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Solution

The fourth proportional to 3,204.64, 4,807.86 and 2,655.15 is: 3,983.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.64 : 4,807.86 = 2,655.15 : x
  2. Step 2: Convert to fraction form
    3,204.64/4,807.86 = 2,655.15/x
  3. Step 3: Cross multiply
    3,204.64x = 4,807.86 × 2,655.15
  4. Step 4: Simplify right side
    3,204.64x = 12,765,589.48
  5. Step 5: Solve for x
    x = 12,765,589.48/3,204.64
  6. Step 6: Final answer
    x = 3,983.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.