Home / 3,086.25-4,259.67-1,966.92

Finding the Fourth Proportional to 3,086.25, 4,259.67 and 1,966.92

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Solution

The fourth proportional to 3,086.25, 4,259.67 and 1,966.92 is: 2,714.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.25 : 4,259.67 = 1,966.92 : x
  2. Step 2: Convert to fraction form
    3,086.25/4,259.67 = 1,966.92/x
  3. Step 3: Cross multiply
    3,086.25x = 4,259.67 × 1,966.92
  4. Step 4: Simplify right side
    3,086.25x = 8,378,430.12
  5. Step 5: Solve for x
    x = 8,378,430.12/3,086.25
  6. Step 6: Final answer
    x = 2,714.76

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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.