Home / 3,901.64-5,383.84-2,308.35

Finding the Fourth Proportional to 3,901.64, 5,383.84 and 2,308.35

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Solution

The fourth proportional to 3,901.64, 5,383.84 and 2,308.35 is: 3,185.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.64 : 5,383.84 = 2,308.35 : x
  2. Step 2: Convert to fraction form
    3,901.64/5,383.84 = 2,308.35/x
  3. Step 3: Cross multiply
    3,901.64x = 5,383.84 × 2,308.35
  4. Step 4: Simplify right side
    3,901.64x = 12,427,761.10
  5. Step 5: Solve for x
    x = 12,427,761.10/3,901.64
  6. Step 6: Final answer
    x = 3,185.27

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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.