Home / 3,911.64-5,853.60-2,869.08

Finding the Fourth Proportional to 3,911.64, 5,853.60 and 2,869.08

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Solution

The fourth proportional to 3,911.64, 5,853.60 and 2,869.08 is: 4,293.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,911.64 : 5,853.60 = 2,869.08 : x
  2. Step 2: Convert to fraction form
    3,911.64/5,853.60 = 2,869.08/x
  3. Step 3: Cross multiply
    3,911.64x = 5,853.60 × 2,869.08
  4. Step 4: Simplify right side
    3,911.64x = 16,794,446.69
  5. Step 5: Solve for x
    x = 16,794,446.69/3,911.64
  6. Step 6: Final answer
    x = 4,293.45

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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.