Home / 3,854.46-5,776.16-1,904.39

Finding the Fourth Proportional to 3,854.46, 5,776.16 and 1,904.39

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Solution

The fourth proportional to 3,854.46, 5,776.16 and 1,904.39 is: 2,853.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.46 : 5,776.16 = 1,904.39 : x
  2. Step 2: Convert to fraction form
    3,854.46/5,776.16 = 1,904.39/x
  3. Step 3: Cross multiply
    3,854.46x = 5,776.16 × 1,904.39
  4. Step 4: Simplify right side
    3,854.46x = 11,000,022.94
  5. Step 5: Solve for x
    x = 11,000,022.94/3,854.46
  6. Step 6: Final answer
    x = 2,853.84

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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.