Home / 3,086.28-4,259.05-2,835.25

Finding the Fourth Proportional to 3,086.28, 4,259.05 and 2,835.25

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Solution

The fourth proportional to 3,086.28, 4,259.05 and 2,835.25 is: 3,912.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.28 : 4,259.05 = 2,835.25 : x
  2. Step 2: Convert to fraction form
    3,086.28/4,259.05 = 2,835.25/x
  3. Step 3: Cross multiply
    3,086.28x = 4,259.05 × 2,835.25
  4. Step 4: Simplify right side
    3,086.28x = 12,075,471.51
  5. Step 5: Solve for x
    x = 12,075,471.51/3,086.28
  6. Step 6: Final answer
    x = 3,912.63

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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.