Home / 3,476.80-4,797.84-1,904.86

Finding the Fourth Proportional to 3,476.80, 4,797.84 and 1,904.86

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Solution

The fourth proportional to 3,476.80, 4,797.84 and 1,904.86 is: 2,628.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,476.80 : 4,797.84 = 1,904.86 : x
  2. Step 2: Convert to fraction form
    3,476.80/4,797.84 = 1,904.86/x
  3. Step 3: Cross multiply
    3,476.80x = 4,797.84 × 1,904.86
  4. Step 4: Simplify right side
    3,476.80x = 9,139,213.50
  5. Step 5: Solve for x
    x = 9,139,213.50/3,476.80
  6. Step 6: Final answer
    x = 2,628.63

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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.