Home / 3,901.70-5,383.35-2,308.28

Finding the Fourth Proportional to 3,901.70, 5,383.35 and 2,308.28

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Solution

The fourth proportional to 3,901.70, 5,383.35 and 2,308.28 is: 3,184.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,901.70 : 5,383.35 = 2,308.28 : x
  2. Step 2: Convert to fraction form
    3,901.70/5,383.35 = 2,308.28/x
  3. Step 3: Cross multiply
    3,901.70x = 5,383.35 × 2,308.28
  4. Step 4: Simplify right side
    3,901.70x = 12,426,252.22
  5. Step 5: Solve for x
    x = 12,426,252.22/3,901.70
  6. Step 6: Final answer
    x = 3,184.83

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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.