Home / 3,789.79-5,228.96-2,463.28

Finding the Fourth Proportional to 3,789.79, 5,228.96 and 2,463.28

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Solution

The fourth proportional to 3,789.79, 5,228.96 and 2,463.28 is: 3,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.79 : 5,228.96 = 2,463.28 : x
  2. Step 2: Convert to fraction form
    3,789.79/5,228.96 = 2,463.28/x
  3. Step 3: Cross multiply
    3,789.79x = 5,228.96 × 2,463.28
  4. Step 4: Simplify right side
    3,789.79x = 12,880,367.20
  5. Step 5: Solve for x
    x = 12,880,367.20/3,789.79
  6. Step 6: Final answer
    x = 3,398.70

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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.