Home / 3,209.28-4,810.26-1,259.88

Finding the Fourth Proportional to 3,209.28, 4,810.26 and 1,259.88

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Solution

The fourth proportional to 3,209.28, 4,810.26 and 1,259.88 is: 1,888.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.28 : 4,810.26 = 1,259.88 : x
  2. Step 2: Convert to fraction form
    3,209.28/4,810.26 = 1,259.88/x
  3. Step 3: Cross multiply
    3,209.28x = 4,810.26 × 1,259.88
  4. Step 4: Simplify right side
    3,209.28x = 6,060,350.37
  5. Step 5: Solve for x
    x = 6,060,350.37/3,209.28
  6. Step 6: Final answer
    x = 1,888.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.