Home / 3,100.31-4,277.36-2,864.54

Finding the Fourth Proportional to 3,100.31, 4,277.36 and 2,864.54

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Solution

The fourth proportional to 3,100.31, 4,277.36 and 2,864.54 is: 3,952.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.31 : 4,277.36 = 2,864.54 : x
  2. Step 2: Convert to fraction form
    3,100.31/4,277.36 = 2,864.54/x
  3. Step 3: Cross multiply
    3,100.31x = 4,277.36 × 2,864.54
  4. Step 4: Simplify right side
    3,100.31x = 12,252,633.10
  5. Step 5: Solve for x
    x = 12,252,633.10/3,100.31
  6. Step 6: Final answer
    x = 3,952.07

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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.