Home / 3,259.06-4,888.82-1,311.27

Finding the Fourth Proportional to 3,259.06, 4,888.82 and 1,311.27

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Solution

The fourth proportional to 3,259.06, 4,888.82 and 1,311.27 is: 1,967.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,259.06 : 4,888.82 = 1,311.27 : x
  2. Step 2: Convert to fraction form
    3,259.06/4,888.82 = 1,311.27/x
  3. Step 3: Cross multiply
    3,259.06x = 4,888.82 × 1,311.27
  4. Step 4: Simplify right side
    3,259.06x = 6,410,556.45
  5. Step 5: Solve for x
    x = 6,410,556.45/3,259.06
  6. Step 6: Final answer
    x = 1,967.00

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1.5x scale

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.